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Finding the Fourth Proportional to 16,499.80, 24,749.70 and 15,549.40

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Solution

The fourth proportional to 16,499.80, 24,749.70 and 15,549.40 is: 23,324.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,499.80 : 24,749.70 = 15,549.40 : x
  2. Step 2: Convert to fraction form
    16,499.80/24,749.70 = 15,549.40/x
  3. Step 3: Cross multiply
    16,499.80x = 24,749.70 × 15,549.40
  4. Step 4: Simplify right side
    16,499.80x = 384,842,985.18
  5. Step 5: Solve for x
    x = 384,842,985.18/16,499.80
  6. Step 6: Final answer
    x = 23,324.10

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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.