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Finding the Fourth Proportional to 24,560.86, 36,848.47 and 7,920.55

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Solution

The fourth proportional to 24,560.86, 36,848.47 and 7,920.55 is: 11,883.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,560.86 : 36,848.47 = 7,920.55 : x
  2. Step 2: Convert to fraction form
    24,560.86/36,848.47 = 7,920.55/x
  3. Step 3: Cross multiply
    24,560.86x = 36,848.47 × 7,920.55
  4. Step 4: Simplify right side
    24,560.86x = 291,860,149.06
  5. Step 5: Solve for x
    x = 291,860,149.06/24,560.86
  6. Step 6: Final answer
    x = 11,883.14

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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.