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Finding the Fourth Proportional to 57,753.74, 85,851.29 and 56,051.06

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Solution

The fourth proportional to 57,753.74, 85,851.29 and 56,051.06 is: 83,320.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,753.74 : 85,851.29 = 56,051.06 : x
  2. Step 2: Convert to fraction form
    57,753.74/85,851.29 = 56,051.06/x
  3. Step 3: Cross multiply
    57,753.74x = 85,851.29 × 56,051.06
  4. Step 4: Simplify right side
    57,753.74x = 4,812,055,517.74
  5. Step 5: Solve for x
    x = 4,812,055,517.74/57,753.74
  6. Step 6: Final answer
    x = 83,320.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.