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Finding the Fourth Proportional to 8,064.03, 11,128.86 and 5,370.63

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Solution

The fourth proportional to 8,064.03, 11,128.86 and 5,370.63 is: 7,411.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,064.03 : 11,128.86 = 5,370.63 : x
  2. Step 2: Convert to fraction form
    8,064.03/11,128.86 = 5,370.63/x
  3. Step 3: Cross multiply
    8,064.03x = 11,128.86 × 5,370.63
  4. Step 4: Simplify right side
    8,064.03x = 59,768,989.38
  5. Step 5: Solve for x
    x = 59,768,989.38/8,064.03
  6. Step 6: Final answer
    x = 7,411.80

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.