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Finding the Fourth Proportional to 24,257.76, 36,319.16 and 12,385.89

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Solution

The fourth proportional to 24,257.76, 36,319.16 and 12,385.89 is: 18,544.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,257.76 : 36,319.16 = 12,385.89 : x
  2. Step 2: Convert to fraction form
    24,257.76/36,319.16 = 12,385.89/x
  3. Step 3: Cross multiply
    24,257.76x = 36,319.16 × 12,385.89
  4. Step 4: Simplify right side
    24,257.76x = 449,845,058.72
  5. Step 5: Solve for x
    x = 449,845,058.72/24,257.76
  6. Step 6: Final answer
    x = 18,544.38

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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.