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Finding the Fourth Proportional to 9,266.05, 12,787.13 and 5,017.11

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Solution

The fourth proportional to 9,266.05, 12,787.13 and 5,017.11 is: 6,923.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,266.05 : 12,787.13 = 5,017.11 : x
  2. Step 2: Convert to fraction form
    9,266.05/12,787.13 = 5,017.11/x
  3. Step 3: Cross multiply
    9,266.05x = 12,787.13 × 5,017.11
  4. Step 4: Simplify right side
    9,266.05x = 64,154,479.47
  5. Step 5: Solve for x
    x = 64,154,479.47/9,266.05
  6. Step 6: Final answer
    x = 6,923.61

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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.