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Finding the Fourth Proportional to 6,999.76, 10,501.12 and 5,853.52

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Solution

The fourth proportional to 6,999.76, 10,501.12 and 5,853.52 is: 8,781.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,999.76 : 10,501.12 = 5,853.52 : x
  2. Step 2: Convert to fraction form
    6,999.76/10,501.12 = 5,853.52/x
  3. Step 3: Cross multiply
    6,999.76x = 10,501.12 × 5,853.52
  4. Step 4: Simplify right side
    6,999.76x = 61,468,515.94
  5. Step 5: Solve for x
    x = 61,468,515.94/6,999.76
  6. Step 6: Final answer
    x = 8,781.52

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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.