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Finding the Fourth Proportional to 55,502.81, 83,266.50 and 25,904.49

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Solution

The fourth proportional to 55,502.81, 83,266.50 and 25,904.49 is: 38,862.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,502.81 : 83,266.50 = 25,904.49 : x
  2. Step 2: Convert to fraction form
    55,502.81/83,266.50 = 25,904.49/x
  3. Step 3: Cross multiply
    55,502.81x = 83,266.50 × 25,904.49
  4. Step 4: Simplify right side
    55,502.81x = 2,156,976,216.59
  5. Step 5: Solve for x
    x = 2,156,976,216.59/55,502.81
  6. Step 6: Final answer
    x = 38,862.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.