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Finding the Fourth Proportional to 17,445.60, 26,139.60 and 14,853.60

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Solution

The fourth proportional to 17,445.60, 26,139.60 and 14,853.60 is: 22,255.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,445.60 : 26,139.60 = 14,853.60 : x
  2. Step 2: Convert to fraction form
    17,445.60/26,139.60 = 14,853.60/x
  3. Step 3: Cross multiply
    17,445.60x = 26,139.60 × 14,853.60
  4. Step 4: Simplify right side
    17,445.60x = 388,267,162.56
  5. Step 5: Solve for x
    x = 388,267,162.56/17,445.60
  6. Step 6: Final answer
    x = 22,255.88

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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.