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Finding the Fourth Proportional to 5,981.76, 8,973.72 and 5,122.08

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Solution

The fourth proportional to 5,981.76, 8,973.72 and 5,122.08 is: 7,684.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,981.76 : 8,973.72 = 5,122.08 : x
  2. Step 2: Convert to fraction form
    5,981.76/8,973.72 = 5,122.08/x
  3. Step 3: Cross multiply
    5,981.76x = 8,973.72 × 5,122.08
  4. Step 4: Simplify right side
    5,981.76x = 45,964,111.74
  5. Step 5: Solve for x
    x = 45,964,111.74/5,981.76
  6. Step 6: Final answer
    x = 7,684.04

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.