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Finding the Fourth Proportional to 24,282.80, 36,440.40 and 11,128.40

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Solution

The fourth proportional to 24,282.80, 36,440.40 and 11,128.40 is: 16,700.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,282.80 : 36,440.40 = 11,128.40 : x
  2. Step 2: Convert to fraction form
    24,282.80/36,440.40 = 11,128.40/x
  3. Step 3: Cross multiply
    24,282.80x = 36,440.40 × 11,128.40
  4. Step 4: Simplify right side
    24,282.80x = 405,523,347.36
  5. Step 5: Solve for x
    x = 405,523,347.36/24,282.80
  6. Step 6: Final answer
    x = 16,700.02

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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.