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Finding the Fourth Proportional to 8,600.04, 11,868.84 and 5,243.04

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Solution

The fourth proportional to 8,600.04, 11,868.84 and 5,243.04 is: 7,235.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,600.04 : 11,868.84 = 5,243.04 : x
  2. Step 2: Convert to fraction form
    8,600.04/11,868.84 = 5,243.04/x
  3. Step 3: Cross multiply
    8,600.04x = 11,868.84 × 5,243.04
  4. Step 4: Simplify right side
    8,600.04x = 62,228,802.87
  5. Step 5: Solve for x
    x = 62,228,802.87/8,600.04
  6. Step 6: Final answer
    x = 7,235.87

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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.