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Finding the Fourth Proportional to 57,455.98, 86,264.71 and 29,396.16

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Solution

The fourth proportional to 57,455.98, 86,264.71 and 29,396.16 is: 44,135.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,455.98 : 86,264.71 = 29,396.16 : x
  2. Step 2: Convert to fraction form
    57,455.98/86,264.71 = 29,396.16/x
  3. Step 3: Cross multiply
    57,455.98x = 86,264.71 × 29,396.16
  4. Step 4: Simplify right side
    57,455.98x = 2,535,851,144.02
  5. Step 5: Solve for x
    x = 2,535,851,144.02/57,455.98
  6. Step 6: Final answer
    x = 44,135.55

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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.