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Finding the Fourth Proportional to 5,909.80, 8,849.10 and 4,734.28

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Solution

The fourth proportional to 5,909.80, 8,849.10 and 4,734.28 is: 7,088.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,909.80 : 8,849.10 = 4,734.28 : x
  2. Step 2: Convert to fraction form
    5,909.80/8,849.10 = 4,734.28/x
  3. Step 3: Cross multiply
    5,909.80x = 8,849.10 × 4,734.28
  4. Step 4: Simplify right side
    5,909.80x = 41,894,117.15
  5. Step 5: Solve for x
    x = 41,894,117.15/5,909.80
  6. Step 6: Final answer
    x = 7,088.92

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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.