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Finding the Fourth Proportional to 8,707.48, 13,061.01 and 2,133.62

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Solution

The fourth proportional to 8,707.48, 13,061.01 and 2,133.62 is: 3,200.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,707.48 : 13,061.01 = 2,133.62 : x
  2. Step 2: Convert to fraction form
    8,707.48/13,061.01 = 2,133.62/x
  3. Step 3: Cross multiply
    8,707.48x = 13,061.01 × 2,133.62
  4. Step 4: Simplify right side
    8,707.48x = 27,867,232.16
  5. Step 5: Solve for x
    x = 27,867,232.16/8,707.48
  6. Step 6: Final answer
    x = 3,200.38

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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.