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Finding the Fourth Proportional to 23,988.80, 35,983.20 and 8,404.40

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Solution

The fourth proportional to 23,988.80, 35,983.20 and 8,404.40 is: 12,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,988.80 : 35,983.20 = 8,404.40 : x
  2. Step 2: Convert to fraction form
    23,988.80/35,983.20 = 8,404.40/x
  3. Step 3: Cross multiply
    23,988.80x = 35,983.20 × 8,404.40
  4. Step 4: Simplify right side
    23,988.80x = 302,417,206.08
  5. Step 5: Solve for x
    x = 302,417,206.08/23,988.80
  6. Step 6: Final answer
    x = 12,606.60

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Similar ratio
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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.