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Finding the Fourth Proportional to 15,242.48, 22,848.02 and 8,654.75

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Solution

The fourth proportional to 15,242.48, 22,848.02 and 8,654.75 is: 12,973.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,242.48 : 22,848.02 = 8,654.75 : x
  2. Step 2: Convert to fraction form
    15,242.48/22,848.02 = 8,654.75/x
  3. Step 3: Cross multiply
    15,242.48x = 22,848.02 × 8,654.75
  4. Step 4: Simplify right side
    15,242.48x = 197,743,901.10
  5. Step 5: Solve for x
    x = 197,743,901.10/15,242.48
  6. Step 6: Final answer
    x = 12,973.21

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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.