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Finding the Fourth Proportional to 36,701.47, 55,052.21 and 8,999.47

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Solution

The fourth proportional to 36,701.47, 55,052.21 and 8,999.47 is: 13,499.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,701.47 : 55,052.21 = 8,999.47 : x
  2. Step 2: Convert to fraction form
    36,701.47/55,052.21 = 8,999.47/x
  3. Step 3: Cross multiply
    36,701.47x = 55,052.21 × 8,999.47
  4. Step 4: Simplify right side
    36,701.47x = 495,440,753.02
  5. Step 5: Solve for x
    x = 495,440,753.02/36,701.47
  6. Step 6: Final answer
    x = 13,499.21

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.