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Finding the Fourth Proportional to 17,517.80, 26,276.70 and 14,893.40

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Solution

The fourth proportional to 17,517.80, 26,276.70 and 14,893.40 is: 22,340.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,517.80 : 26,276.70 = 14,893.40 : x
  2. Step 2: Convert to fraction form
    17,517.80/26,276.70 = 14,893.40/x
  3. Step 3: Cross multiply
    17,517.80x = 26,276.70 × 14,893.40
  4. Step 4: Simplify right side
    17,517.80x = 391,349,403.78
  5. Step 5: Solve for x
    x = 391,349,403.78/17,517.80
  6. Step 6: Final answer
    x = 22,340.10

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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.