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Finding the Fourth Proportional to 17,715.40, 26,575.02 and 6,627.40

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Solution

The fourth proportional to 17,715.40, 26,575.02 and 6,627.40 is: 9,941.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,715.40 : 26,575.02 = 6,627.40 : x
  2. Step 2: Convert to fraction form
    17,715.40/26,575.02 = 6,627.40/x
  3. Step 3: Cross multiply
    17,715.40x = 26,575.02 × 6,627.40
  4. Step 4: Simplify right side
    17,715.40x = 176,123,287.55
  5. Step 5: Solve for x
    x = 176,123,287.55/17,715.40
  6. Step 6: Final answer
    x = 9,941.82

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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.