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Finding the Fourth Proportional to 24,378.90, 36,569.55 and 12,714.90

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Solution

The fourth proportional to 24,378.90, 36,569.55 and 12,714.90 is: 19,072.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,378.90 : 36,569.55 = 12,714.90 : x
  2. Step 2: Convert to fraction form
    24,378.90/36,569.55 = 12,714.90/x
  3. Step 3: Cross multiply
    24,378.90x = 36,569.55 × 12,714.90
  4. Step 4: Simplify right side
    24,378.90x = 464,978,171.30
  5. Step 5: Solve for x
    x = 464,978,171.30/24,378.90
  6. Step 6: Final answer
    x = 19,072.98

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1.5x scale

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.