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Finding the Fourth Proportional to 17,909.10, 24,713.10 and 10,740.60

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Solution

The fourth proportional to 17,909.10, 24,713.10 and 10,740.60 is: 14,821.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,909.10 : 24,713.10 = 10,740.60 : x
  2. Step 2: Convert to fraction form
    17,909.10/24,713.10 = 10,740.60/x
  3. Step 3: Cross multiply
    17,909.10x = 24,713.10 × 10,740.60
  4. Step 4: Simplify right side
    17,909.10x = 265,433,521.86
  5. Step 5: Solve for x
    x = 265,433,521.86/17,909.10
  6. Step 6: Final answer
    x = 14,821.15

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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.