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Finding the Fourth Proportional to 5,909.30, 8,863.95 and 4,969.70

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Solution

The fourth proportional to 5,909.30, 8,863.95 and 4,969.70 is: 7,454.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,909.30 : 8,863.95 = 4,969.70 : x
  2. Step 2: Convert to fraction form
    5,909.30/8,863.95 = 4,969.70/x
  3. Step 3: Cross multiply
    5,909.30x = 8,863.95 × 4,969.70
  4. Step 4: Simplify right side
    5,909.30x = 44,051,172.32
  5. Step 5: Solve for x
    x = 44,051,172.32/5,909.30
  6. Step 6: Final answer
    x = 7,454.55

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1.5x scale

Why These Related Problems?

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