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Finding the Fourth Proportional to 10,614.58, 15,921.06 and 4,373

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Solution

The fourth proportional to 10,614.58, 15,921.06 and 4,373 is: 6,559.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,614.58 : 15,921.06 = 4,373 : x
  2. Step 2: Convert to fraction form
    10,614.58/15,921.06 = 4,373/x
  3. Step 3: Cross multiply
    10,614.58x = 15,921.06 × 4,373
  4. Step 4: Simplify right side
    10,614.58x = 69,622,795.38
  5. Step 5: Solve for x
    x = 69,622,795.38/10,614.58
  6. Step 6: Final answer
    x = 6,559.17

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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.