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Finding the Fourth Proportional to 12,359.04, 18,535.68 and 3,592

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Solution

The fourth proportional to 12,359.04, 18,535.68 and 3,592 is: 5,387.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,359.04 : 18,535.68 = 3,592 : x
  2. Step 2: Convert to fraction form
    12,359.04/18,535.68 = 3,592/x
  3. Step 3: Cross multiply
    12,359.04x = 18,535.68 × 3,592
  4. Step 4: Simplify right side
    12,359.04x = 66,580,162.56
  5. Step 5: Solve for x
    x = 66,580,162.56/12,359.04
  6. Step 6: Final answer
    x = 5,387.16

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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.