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Finding the Fourth Proportional to 17,025.52, 25,516.65 and 7,655.53

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Solution

The fourth proportional to 17,025.52, 25,516.65 and 7,655.53 is: 11,473.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,025.52 : 25,516.65 = 7,655.53 : x
  2. Step 2: Convert to fraction form
    17,025.52/25,516.65 = 7,655.53/x
  3. Step 3: Cross multiply
    17,025.52x = 25,516.65 × 7,655.53
  4. Step 4: Simplify right side
    17,025.52x = 195,343,479.57
  5. Step 5: Solve for x
    x = 195,343,479.57/17,025.52
  6. Step 6: Final answer
    x = 11,473.57

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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.