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Finding the Fourth Proportional to 61,507.59, 84,864.78 and 37,625.55

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Solution

The fourth proportional to 61,507.59, 84,864.78 and 37,625.55 is: 51,913.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,507.59 : 84,864.78 = 37,625.55 : x
  2. Step 2: Convert to fraction form
    61,507.59/84,864.78 = 37,625.55/x
  3. Step 3: Cross multiply
    61,507.59x = 84,864.78 × 37,625.55
  4. Step 4: Simplify right side
    61,507.59x = 3,193,084,023.13
  5. Step 5: Solve for x
    x = 3,193,084,023.13/61,507.59
  6. Step 6: Final answer
    x = 51,913.66

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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.