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Finding the Fourth Proportional to 8,976.69, 13,432.23 and 5,803.11

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Solution

The fourth proportional to 8,976.69, 13,432.23 and 5,803.11 is: 8,683.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,976.69 : 13,432.23 = 5,803.11 : x
  2. Step 2: Convert to fraction form
    8,976.69/13,432.23 = 5,803.11/x
  3. Step 3: Cross multiply
    8,976.69x = 13,432.23 × 5,803.11
  4. Step 4: Simplify right side
    8,976.69x = 77,948,708.24
  5. Step 5: Solve for x
    x = 77,948,708.24/8,976.69
  6. Step 6: Final answer
    x = 8,683.46

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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.