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Finding the Fourth Proportional to 15,957.88, 23,937.80 and 4,865.33

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Solution

The fourth proportional to 15,957.88, 23,937.80 and 4,865.33 is: 7,298.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,957.88 : 23,937.80 = 4,865.33 : x
  2. Step 2: Convert to fraction form
    15,957.88/23,937.80 = 4,865.33/x
  3. Step 3: Cross multiply
    15,957.88x = 23,937.80 × 4,865.33
  4. Step 4: Simplify right side
    15,957.88x = 116,465,331.99
  5. Step 5: Solve for x
    x = 116,465,331.99/15,957.88
  6. Step 6: Final answer
    x = 7,298.30

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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.