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Finding the Fourth Proportional to 9,133.73, 12,585.72 and 7,009.17

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Solution

The fourth proportional to 9,133.73, 12,585.72 and 7,009.17 is: 9,658.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,133.73 : 12,585.72 = 7,009.17 : x
  2. Step 2: Convert to fraction form
    9,133.73/12,585.72 = 7,009.17/x
  3. Step 3: Cross multiply
    9,133.73x = 12,585.72 × 7,009.17
  4. Step 4: Simplify right side
    9,133.73x = 88,215,451.05
  5. Step 5: Solve for x
    x = 88,215,451.05/9,133.73
  6. Step 6: Final answer
    x = 9,658.20

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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.