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Finding the Fourth Proportional to 24,442.80, 36,637.20 and 9,646.80

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Solution

The fourth proportional to 24,442.80, 36,637.20 and 9,646.80 is: 14,459.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,442.80 : 36,637.20 = 9,646.80 : x
  2. Step 2: Convert to fraction form
    24,442.80/36,637.20 = 9,646.80/x
  3. Step 3: Cross multiply
    24,442.80x = 36,637.20 × 9,646.80
  4. Step 4: Simplify right side
    24,442.80x = 353,431,740.96
  5. Step 5: Solve for x
    x = 353,431,740.96/24,442.80
  6. Step 6: Final answer
    x = 14,459.54

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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.