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Finding the Fourth Proportional to 61,437.57, 84,784.04 and 34,580.49

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Solution

The fourth proportional to 61,437.57, 84,784.04 and 34,580.49 is: 47,721.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,437.57 : 84,784.04 = 34,580.49 : x
  2. Step 2: Convert to fraction form
    61,437.57/84,784.04 = 34,580.49/x
  3. Step 3: Cross multiply
    61,437.57x = 84,784.04 × 34,580.49
  4. Step 4: Simplify right side
    61,437.57x = 2,931,873,474.48
  5. Step 5: Solve for x
    x = 2,931,873,474.48/61,437.57
  6. Step 6: Final answer
    x = 47,721.18

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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.