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Finding the Fourth Proportional to 10,073, 15,098.70 and 4,867.40

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Solution

The fourth proportional to 10,073, 15,098.70 and 4,867.40 is: 7,295.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,073 : 15,098.70 = 4,867.40 : x
  2. Step 2: Convert to fraction form
    10,073/15,098.70 = 4,867.40/x
  3. Step 3: Cross multiply
    10,073x = 15,098.70 × 4,867.40
  4. Step 4: Simplify right side
    10,073x = 73,491,412.38
  5. Step 5: Solve for x
    x = 73,491,412.38/10,073
  6. Step 6: Final answer
    x = 7,295.88

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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.