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Finding the Fourth Proportional to 61,288.66, 84,569.15 and 34,426.03

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Solution

The fourth proportional to 61,288.66, 84,569.15 and 34,426.03 is: 47,502.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,288.66 : 84,569.15 = 34,426.03 : x
  2. Step 2: Convert to fraction form
    61,288.66/84,569.15 = 34,426.03/x
  3. Step 3: Cross multiply
    61,288.66x = 84,569.15 × 34,426.03
  4. Step 4: Simplify right side
    61,288.66x = 2,911,379,500.00
  5. Step 5: Solve for x
    x = 2,911,379,500.00/61,288.66
  6. Step 6: Final answer
    x = 47,502.75

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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.