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Finding the Fourth Proportional to 24,759.40, 37,139.10 and 8,343.40

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Solution

The fourth proportional to 24,759.40, 37,139.10 and 8,343.40 is: 12,515.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,759.40 : 37,139.10 = 8,343.40 : x
  2. Step 2: Convert to fraction form
    24,759.40/37,139.10 = 8,343.40/x
  3. Step 3: Cross multiply
    24,759.40x = 37,139.10 × 8,343.40
  4. Step 4: Simplify right side
    24,759.40x = 309,866,366.94
  5. Step 5: Solve for x
    x = 309,866,366.94/24,759.40
  6. Step 6: Final answer
    x = 12,515.10

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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.