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Finding the Fourth Proportional to 8,871.76, 12,244.02 and 5,095.32

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Solution

The fourth proportional to 8,871.76, 12,244.02 and 5,095.32 is: 7,032.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,871.76 : 12,244.02 = 5,095.32 : x
  2. Step 2: Convert to fraction form
    8,871.76/12,244.02 = 5,095.32/x
  3. Step 3: Cross multiply
    8,871.76x = 12,244.02 × 5,095.32
  4. Step 4: Simplify right side
    8,871.76x = 62,387,199.99
  5. Step 5: Solve for x
    x = 62,387,199.99/8,871.76
  6. Step 6: Final answer
    x = 7,032.11

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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.