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Finding the Fourth Proportional to 17,701.60, 26,552.40 and 14,418.40

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Solution

The fourth proportional to 17,701.60, 26,552.40 and 14,418.40 is: 21,627.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,701.60 : 26,552.40 = 14,418.40 : x
  2. Step 2: Convert to fraction form
    17,701.60/26,552.40 = 14,418.40/x
  3. Step 3: Cross multiply
    17,701.60x = 26,552.40 × 14,418.40
  4. Step 4: Simplify right side
    17,701.60x = 382,843,124.16
  5. Step 5: Solve for x
    x = 382,843,124.16/17,701.60
  6. Step 6: Final answer
    x = 21,627.60

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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.