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Finding the Fourth Proportional to 24,172.92, 36,259.78 and 6,642.64

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Solution

The fourth proportional to 24,172.92, 36,259.78 and 6,642.64 is: 9,964.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,172.92 : 36,259.78 = 6,642.64 : x
  2. Step 2: Convert to fraction form
    24,172.92/36,259.78 = 6,642.64/x
  3. Step 3: Cross multiply
    24,172.92x = 36,259.78 × 6,642.64
  4. Step 4: Simplify right side
    24,172.92x = 240,860,665.02
  5. Step 5: Solve for x
    x = 240,860,665.02/24,172.92
  6. Step 6: Final answer
    x = 9,964.07

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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.