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Finding the Fourth Proportional to 15,612, 23,417.52 and 4,518.96

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Solution

The fourth proportional to 15,612, 23,417.52 and 4,518.96 is: 6,778.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,612 : 23,417.52 = 4,518.96 : x
  2. Step 2: Convert to fraction form
    15,612/23,417.52 = 4,518.96/x
  3. Step 3: Cross multiply
    15,612x = 23,417.52 × 4,518.96
  4. Step 4: Simplify right side
    15,612x = 105,822,836.18
  5. Step 5: Solve for x
    x = 105,822,836.18/15,612
  6. Step 6: Final answer
    x = 6,778.30

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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.