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Finding the Fourth Proportional to 16,432.68, 24,629.52 and 7,649.40

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Solution

The fourth proportional to 16,432.68, 24,629.52 and 7,649.40 is: 11,465.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,432.68 : 24,629.52 = 7,649.40 : x
  2. Step 2: Convert to fraction form
    16,432.68/24,629.52 = 7,649.40/x
  3. Step 3: Cross multiply
    16,432.68x = 24,629.52 × 7,649.40
  4. Step 4: Simplify right side
    16,432.68x = 188,401,050.29
  5. Step 5: Solve for x
    x = 188,401,050.29/16,432.68
  6. Step 6: Final answer
    x = 11,465.02

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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.