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Finding the Fourth Proportional to 61,573.96, 84,941.98 and 38,902.06

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Solution

The fourth proportional to 61,573.96, 84,941.98 and 38,902.06 is: 53,665.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,573.96 : 84,941.98 = 38,902.06 : x
  2. Step 2: Convert to fraction form
    61,573.96/84,941.98 = 38,902.06/x
  3. Step 3: Cross multiply
    61,573.96x = 84,941.98 × 38,902.06
  4. Step 4: Simplify right side
    61,573.96x = 3,304,418,002.48
  5. Step 5: Solve for x
    x = 3,304,418,002.48/61,573.96
  6. Step 6: Final answer
    x = 53,665.84

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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.