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Finding the Fourth Proportional to 16,480.60, 24,720.90 and 14,925.40

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Solution

The fourth proportional to 16,480.60, 24,720.90 and 14,925.40 is: 22,388.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,480.60 : 24,720.90 = 14,925.40 : x
  2. Step 2: Convert to fraction form
    16,480.60/24,720.90 = 14,925.40/x
  3. Step 3: Cross multiply
    16,480.60x = 24,720.90 × 14,925.40
  4. Step 4: Simplify right side
    16,480.60x = 368,969,320.86
  5. Step 5: Solve for x
    x = 368,969,320.86/16,480.60
  6. Step 6: Final answer
    x = 22,388.10

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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.