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Finding the Fourth Proportional to 8,965.80, 13,444.65 and 4,032.90

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Solution

The fourth proportional to 8,965.80, 13,444.65 and 4,032.90 is: 6,047.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,965.80 : 13,444.65 = 4,032.90 : x
  2. Step 2: Convert to fraction form
    8,965.80/13,444.65 = 4,032.90/x
  3. Step 3: Cross multiply
    8,965.80x = 13,444.65 × 4,032.90
  4. Step 4: Simplify right side
    8,965.80x = 54,220,928.99
  5. Step 5: Solve for x
    x = 54,220,928.99/8,965.80
  6. Step 6: Final answer
    x = 6,047.53

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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.