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Finding the Fourth Proportional to 17,715.87, 24,448.05 and 9,758.12

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Solution

The fourth proportional to 17,715.87, 24,448.05 and 9,758.12 is: 13,466.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,715.87 : 24,448.05 = 9,758.12 : x
  2. Step 2: Convert to fraction form
    17,715.87/24,448.05 = 9,758.12/x
  3. Step 3: Cross multiply
    17,715.87x = 24,448.05 × 9,758.12
  4. Step 4: Simplify right side
    17,715.87x = 238,566,883.43
  5. Step 5: Solve for x
    x = 238,566,883.43/17,715.87
  6. Step 6: Final answer
    x = 13,466.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.