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Finding the Fourth Proportional to 8,869.42, 13,305.42 and 4,708.36

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Solution

The fourth proportional to 8,869.42, 13,305.42 and 4,708.36 is: 7,063.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,869.42 : 13,305.42 = 4,708.36 : x
  2. Step 2: Convert to fraction form
    8,869.42/13,305.42 = 4,708.36/x
  3. Step 3: Cross multiply
    8,869.42x = 13,305.42 × 4,708.36
  4. Step 4: Simplify right side
    8,869.42x = 62,646,707.31
  5. Step 5: Solve for x
    x = 62,646,707.31/8,869.42
  6. Step 6: Final answer
    x = 7,063.22

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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.