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Finding the Fourth Proportional to 39,948, 59,924.88 and 15,324

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Solution

The fourth proportional to 39,948, 59,924.88 and 15,324 is: 22,987.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,948 : 59,924.88 = 15,324 : x
  2. Step 2: Convert to fraction form
    39,948/59,924.88 = 15,324/x
  3. Step 3: Cross multiply
    39,948x = 59,924.88 × 15,324
  4. Step 4: Simplify right side
    39,948x = 918,288,861.12
  5. Step 5: Solve for x
    x = 918,288,861.12/39,948
  6. Step 6: Final answer
    x = 22,987.10

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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.