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Finding the Fourth Proportional to 17,647.71, 26,463.18 and 10,254.30

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Solution

The fourth proportional to 17,647.71, 26,463.18 and 10,254.30 is: 15,376.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,647.71 : 26,463.18 = 10,254.30 : x
  2. Step 2: Convert to fraction form
    17,647.71/26,463.18 = 10,254.30/x
  3. Step 3: Cross multiply
    17,647.71x = 26,463.18 × 10,254.30
  4. Step 4: Simplify right side
    17,647.71x = 271,361,386.67
  5. Step 5: Solve for x
    x = 271,361,386.67/17,647.71
  6. Step 6: Final answer
    x = 15,376.58

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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.