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Finding the Fourth Proportional to 15,689.71, 23,532.09 and 4,593.79

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Solution

The fourth proportional to 15,689.71, 23,532.09 and 4,593.79 is: 6,889.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,689.71 : 23,532.09 = 4,593.79 : x
  2. Step 2: Convert to fraction form
    15,689.71/23,532.09 = 4,593.79/x
  3. Step 3: Cross multiply
    15,689.71x = 23,532.09 × 4,593.79
  4. Step 4: Simplify right side
    15,689.71x = 108,101,479.72
  5. Step 5: Solve for x
    x = 108,101,479.72/15,689.71
  6. Step 6: Final answer
    x = 6,889.96

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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.