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Finding the Fourth Proportional to 8,993.46, 12,411.02 and 5,014.58

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Solution

The fourth proportional to 8,993.46, 12,411.02 and 5,014.58 is: 6,920.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,993.46 : 12,411.02 = 5,014.58 : x
  2. Step 2: Convert to fraction form
    8,993.46/12,411.02 = 5,014.58/x
  3. Step 3: Cross multiply
    8,993.46x = 12,411.02 × 5,014.58
  4. Step 4: Simplify right side
    8,993.46x = 62,236,003.15
  5. Step 5: Solve for x
    x = 62,236,003.15/8,993.46
  6. Step 6: Final answer
    x = 6,920.14

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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.