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Finding the Fourth Proportional to 17,405.53, 24,019.65 and 9,447.75

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Solution

The fourth proportional to 17,405.53, 24,019.65 and 9,447.75 is: 13,037.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,405.53 : 24,019.65 = 9,447.75 : x
  2. Step 2: Convert to fraction form
    17,405.53/24,019.65 = 9,447.75/x
  3. Step 3: Cross multiply
    17,405.53x = 24,019.65 × 9,447.75
  4. Step 4: Simplify right side
    17,405.53x = 226,931,648.29
  5. Step 5: Solve for x
    x = 226,931,648.29/17,405.53
  6. Step 6: Final answer
    x = 13,037.91

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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.