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Finding the Fourth Proportional to 16,548.60, 24,822.90 and 9,987.60

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Solution

The fourth proportional to 16,548.60, 24,822.90 and 9,987.60 is: 14,981.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,548.60 : 24,822.90 = 9,987.60 : x
  2. Step 2: Convert to fraction form
    16,548.60/24,822.90 = 9,987.60/x
  3. Step 3: Cross multiply
    16,548.60x = 24,822.90 × 9,987.60
  4. Step 4: Simplify right side
    16,548.60x = 247,921,196.04
  5. Step 5: Solve for x
    x = 247,921,196.04/16,548.60
  6. Step 6: Final answer
    x = 14,981.40

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Similar ratio
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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.