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Finding the Fourth Proportional to 14,275.62, 21,423.12 and 5,041.62

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Solution

The fourth proportional to 14,275.62, 21,423.12 and 5,041.62 is: 7,565.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,275.62 : 21,423.12 = 5,041.62 : x
  2. Step 2: Convert to fraction form
    14,275.62/21,423.12 = 5,041.62/x
  3. Step 3: Cross multiply
    14,275.62x = 21,423.12 × 5,041.62
  4. Step 4: Simplify right side
    14,275.62x = 108,007,230.25
  5. Step 5: Solve for x
    x = 108,007,230.25/14,275.62
  6. Step 6: Final answer
    x = 7,565.85

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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.