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Finding the Fourth Proportional to 5,592.61, 8,388.72 and 1,432.65

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Solution

The fourth proportional to 5,592.61, 8,388.72 and 1,432.65 is: 2,148.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,592.61 : 8,388.72 = 1,432.65 : x
  2. Step 2: Convert to fraction form
    5,592.61/8,388.72 = 1,432.65/x
  3. Step 3: Cross multiply
    5,592.61x = 8,388.72 × 1,432.65
  4. Step 4: Simplify right side
    5,592.61x = 12,018,135.20
  5. Step 5: Solve for x
    x = 12,018,135.20/5,592.61
  6. Step 6: Final answer
    x = 2,148.93

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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.