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Finding the Fourth Proportional to 52,893, 79,339.56 and 15,957

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Solution

The fourth proportional to 52,893, 79,339.56 and 15,957 is: 23,935.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,893 : 79,339.56 = 15,957 : x
  2. Step 2: Convert to fraction form
    52,893/79,339.56 = 15,957/x
  3. Step 3: Cross multiply
    52,893x = 79,339.56 × 15,957
  4. Step 4: Simplify right side
    52,893x = 1,266,021,358.92
  5. Step 5: Solve for x
    x = 1,266,021,358.92/52,893
  6. Step 6: Final answer
    x = 23,935.52

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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.