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Finding the Fourth Proportional to 17,386.60, 24,000.42 and 11,108.20

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Solution

The fourth proportional to 17,386.60, 24,000.42 and 11,108.20 is: 15,333.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,386.60 : 24,000.42 = 11,108.20 : x
  2. Step 2: Convert to fraction form
    17,386.60/24,000.42 = 11,108.20/x
  3. Step 3: Cross multiply
    17,386.60x = 24,000.42 × 11,108.20
  4. Step 4: Simplify right side
    17,386.60x = 266,601,465.44
  5. Step 5: Solve for x
    x = 266,601,465.44/17,386.60
  6. Step 6: Final answer
    x = 15,333.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.