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Finding the Fourth Proportional to 61,773.13, 85,256.06 and 39,114.22

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Solution

The fourth proportional to 61,773.13, 85,256.06 and 39,114.22 is: 53,983.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,773.13 : 85,256.06 = 39,114.22 : x
  2. Step 2: Convert to fraction form
    61,773.13/85,256.06 = 39,114.22/x
  3. Step 3: Cross multiply
    61,773.13x = 85,256.06 × 39,114.22
  4. Step 4: Simplify right side
    61,773.13x = 3,334,724,287.17
  5. Step 5: Solve for x
    x = 3,334,724,287.17/61,773.13
  6. Step 6: Final answer
    x = 53,983.42

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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.