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Finding the Fourth Proportional to 15,291.84, 22,959 and 7,901.76

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Solution

The fourth proportional to 15,291.84, 22,959 and 7,901.76 is: 11,863.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,291.84 : 22,959 = 7,901.76 : x
  2. Step 2: Convert to fraction form
    15,291.84/22,959 = 7,901.76/x
  3. Step 3: Cross multiply
    15,291.84x = 22,959 × 7,901.76
  4. Step 4: Simplify right side
    15,291.84x = 181,416,507.84
  5. Step 5: Solve for x
    x = 181,416,507.84/15,291.84
  6. Step 6: Final answer
    x = 11,863.62

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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.