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Finding the Fourth Proportional to 16,475.20, 24,712.80 and 15,114.40

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Solution

The fourth proportional to 16,475.20, 24,712.80 and 15,114.40 is: 22,671.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,475.20 : 24,712.80 = 15,114.40 : x
  2. Step 2: Convert to fraction form
    16,475.20/24,712.80 = 15,114.40/x
  3. Step 3: Cross multiply
    16,475.20x = 24,712.80 × 15,114.40
  4. Step 4: Simplify right side
    16,475.20x = 373,519,144.32
  5. Step 5: Solve for x
    x = 373,519,144.32/16,475.20
  6. Step 6: Final answer
    x = 22,671.60

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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.