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Finding the Fourth Proportional to 17,708.68, 26,559.95 and 6,615.47

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Solution

The fourth proportional to 17,708.68, 26,559.95 and 6,615.47 is: 9,922.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,708.68 : 26,559.95 = 6,615.47 : x
  2. Step 2: Convert to fraction form
    17,708.68/26,559.95 = 6,615.47/x
  3. Step 3: Cross multiply
    17,708.68x = 26,559.95 × 6,615.47
  4. Step 4: Simplify right side
    17,708.68x = 175,706,552.43
  5. Step 5: Solve for x
    x = 175,706,552.43/17,708.68
  6. Step 6: Final answer
    x = 9,922.06

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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.