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Finding the Fourth Proportional to 8,993.45, 12,411.19 and 5,014.53

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Solution

The fourth proportional to 8,993.45, 12,411.19 and 5,014.53 is: 6,920.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,993.45 : 12,411.19 = 5,014.53 : x
  2. Step 2: Convert to fraction form
    8,993.45/12,411.19 = 5,014.53/x
  3. Step 3: Cross multiply
    8,993.45x = 12,411.19 × 5,014.53
  4. Step 4: Simplify right side
    8,993.45x = 62,236,290.86
  5. Step 5: Solve for x
    x = 62,236,290.86/8,993.45
  6. Step 6: Final answer
    x = 6,920.18

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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.