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Finding the Fourth Proportional to 24,439.80, 36,659.70 and 9,643.80

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Solution

The fourth proportional to 24,439.80, 36,659.70 and 9,643.80 is: 14,465.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,439.80 : 36,659.70 = 9,643.80 : x
  2. Step 2: Convert to fraction form
    24,439.80/36,659.70 = 9,643.80/x
  3. Step 3: Cross multiply
    24,439.80x = 36,659.70 × 9,643.80
  4. Step 4: Simplify right side
    24,439.80x = 353,538,814.86
  5. Step 5: Solve for x
    x = 353,538,814.86/24,439.80
  6. Step 6: Final answer
    x = 14,465.70

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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.