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Finding the Fourth Proportional to 19,807.47, 29,711.27 and 5,956.47

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Solution

The fourth proportional to 19,807.47, 29,711.27 and 5,956.47 is: 8,934.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,807.47 : 29,711.27 = 5,956.47 : x
  2. Step 2: Convert to fraction form
    19,807.47/29,711.27 = 5,956.47/x
  3. Step 3: Cross multiply
    19,807.47x = 29,711.27 × 5,956.47
  4. Step 4: Simplify right side
    19,807.47x = 176,974,303.31
  5. Step 5: Solve for x
    x = 176,974,303.31/19,807.47
  6. Step 6: Final answer
    x = 8,934.73

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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.