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Finding the Fourth Proportional to 34,572.52, 47,711.03 and 19,465.72

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Solution

The fourth proportional to 34,572.52, 47,711.03 and 19,465.72 is: 26,863.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,572.52 : 47,711.03 = 19,465.72 : x
  2. Step 2: Convert to fraction form
    34,572.52/47,711.03 = 19,465.72/x
  3. Step 3: Cross multiply
    34,572.52x = 47,711.03 × 19,465.72
  4. Step 4: Simplify right side
    34,572.52x = 928,729,334.29
  5. Step 5: Solve for x
    x = 928,729,334.29/34,572.52
  6. Step 6: Final answer
    x = 26,863.22

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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.