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Finding the Fourth Proportional to 61,087.79, 84,301.04 and 37,214.47

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Solution

The fourth proportional to 61,087.79, 84,301.04 and 37,214.47 is: 51,355.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,087.79 : 84,301.04 = 37,214.47 : x
  2. Step 2: Convert to fraction form
    61,087.79/84,301.04 = 37,214.47/x
  3. Step 3: Cross multiply
    61,087.79x = 84,301.04 × 37,214.47
  4. Step 4: Simplify right side
    61,087.79x = 3,137,218,722.46
  5. Step 5: Solve for x
    x = 3,137,218,722.46/61,087.79
  6. Step 6: Final answer
    x = 51,355.90

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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.