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Finding the Fourth Proportional to 17,512.60, 26,240.10 and 14,920.60

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Solution

The fourth proportional to 17,512.60, 26,240.10 and 14,920.60 is: 22,356.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,512.60 : 26,240.10 = 14,920.60 : x
  2. Step 2: Convert to fraction form
    17,512.60/26,240.10 = 14,920.60/x
  3. Step 3: Cross multiply
    17,512.60x = 26,240.10 × 14,920.60
  4. Step 4: Simplify right side
    17,512.60x = 391,518,036.06
  5. Step 5: Solve for x
    x = 391,518,036.06/17,512.60
  6. Step 6: Final answer
    x = 22,356.36

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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.