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Finding the Fourth Proportional to 66,310.96, 99,373.24 and 56,411.12

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Solution

The fourth proportional to 66,310.96, 99,373.24 and 56,411.12 is: 84,537.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,310.96 : 99,373.24 = 56,411.12 : x
  2. Step 2: Convert to fraction form
    66,310.96/99,373.24 = 56,411.12/x
  3. Step 3: Cross multiply
    66,310.96x = 99,373.24 × 56,411.12
  4. Step 4: Simplify right side
    66,310.96x = 5,605,755,766.43
  5. Step 5: Solve for x
    x = 5,605,755,766.43/66,310.96
  6. Step 6: Final answer
    x = 84,537.39

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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.