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Finding the Fourth Proportional to 24,406.40, 36,609.60 and 9,615.80

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Solution

The fourth proportional to 24,406.40, 36,609.60 and 9,615.80 is: 14,423.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,406.40 : 36,609.60 = 9,615.80 : x
  2. Step 2: Convert to fraction form
    24,406.40/36,609.60 = 9,615.80/x
  3. Step 3: Cross multiply
    24,406.40x = 36,609.60 × 9,615.80
  4. Step 4: Simplify right side
    24,406.40x = 352,030,591.68
  5. Step 5: Solve for x
    x = 352,030,591.68/24,406.40
  6. Step 6: Final answer
    x = 14,423.70

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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.