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Finding the Fourth Proportional to 15,358.71, 23,039.71 and 4,265.43

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Solution

The fourth proportional to 15,358.71, 23,039.71 and 4,265.43 is: 6,398.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,358.71 : 23,039.71 = 4,265.43 : x
  2. Step 2: Convert to fraction form
    15,358.71/23,039.71 = 4,265.43/x
  3. Step 3: Cross multiply
    15,358.71x = 23,039.71 × 4,265.43
  4. Step 4: Simplify right side
    15,358.71x = 98,274,173.16
  5. Step 5: Solve for x
    x = 98,274,173.16/15,358.71
  6. Step 6: Final answer
    x = 6,398.59

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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.