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Finding the Fourth Proportional to 16,468.80, 24,703.20 and 15,518.40

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Solution

The fourth proportional to 16,468.80, 24,703.20 and 15,518.40 is: 23,277.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,468.80 : 24,703.20 = 15,518.40 : x
  2. Step 2: Convert to fraction form
    16,468.80/24,703.20 = 15,518.40/x
  3. Step 3: Cross multiply
    16,468.80x = 24,703.20 × 15,518.40
  4. Step 4: Simplify right side
    16,468.80x = 383,354,138.88
  5. Step 5: Solve for x
    x = 383,354,138.88/16,468.80
  6. Step 6: Final answer
    x = 23,277.60

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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.