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Finding the Fourth Proportional to 8,820.84, 12,175.35 and 5,046.15

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Solution

The fourth proportional to 8,820.84, 12,175.35 and 5,046.15 is: 6,965.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,820.84 : 12,175.35 = 5,046.15 : x
  2. Step 2: Convert to fraction form
    8,820.84/12,175.35 = 5,046.15/x
  3. Step 3: Cross multiply
    8,820.84x = 12,175.35 × 5,046.15
  4. Step 4: Simplify right side
    8,820.84x = 61,438,642.40
  5. Step 5: Solve for x
    x = 61,438,642.40/8,820.84
  6. Step 6: Final answer
    x = 6,965.17

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.