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Finding the Fourth Proportional to 8,927.71, 12,320.69 and 4,948.84

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Solution

The fourth proportional to 8,927.71, 12,320.69 and 4,948.84 is: 6,829.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,927.71 : 12,320.69 = 4,948.84 : x
  2. Step 2: Convert to fraction form
    8,927.71/12,320.69 = 4,948.84/x
  3. Step 3: Cross multiply
    8,927.71x = 12,320.69 × 4,948.84
  4. Step 4: Simplify right side
    8,927.71x = 60,973,123.50
  5. Step 5: Solve for x
    x = 60,973,123.50/8,927.71
  6. Step 6: Final answer
    x = 6,829.65

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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.