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Finding the Fourth Proportional to 17,713.20, 26,569.80 and 11,060.40

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Solution

The fourth proportional to 17,713.20, 26,569.80 and 11,060.40 is: 16,590.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,713.20 : 26,569.80 = 11,060.40 : x
  2. Step 2: Convert to fraction form
    17,713.20/26,569.80 = 11,060.40/x
  3. Step 3: Cross multiply
    17,713.20x = 26,569.80 × 11,060.40
  4. Step 4: Simplify right side
    17,713.20x = 293,872,615.92
  5. Step 5: Solve for x
    x = 293,872,615.92/17,713.20
  6. Step 6: Final answer
    x = 16,590.60

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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.