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Finding the Fourth Proportional to 58,959.47, 88,420.98 and 19,508.42

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Solution

The fourth proportional to 58,959.47, 88,420.98 and 19,508.42 is: 29,256.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,959.47 : 88,420.98 = 19,508.42 : x
  2. Step 2: Convert to fraction form
    58,959.47/88,420.98 = 19,508.42/x
  3. Step 3: Cross multiply
    58,959.47x = 88,420.98 × 19,508.42
  4. Step 4: Simplify right side
    58,959.47x = 1,724,953,614.65
  5. Step 5: Solve for x
    x = 1,724,953,614.65/58,959.47
  6. Step 6: Final answer
    x = 29,256.60

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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.