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Finding the Fourth Proportional to 3,681.04, 5,063.88 and 3,230.96

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Solution

The fourth proportional to 3,681.04, 5,063.88 and 3,230.96 is: 4,444.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681.04 : 5,063.88 = 3,230.96 : x
  2. Step 2: Convert to fraction form
    3,681.04/5,063.88 = 3,230.96/x
  3. Step 3: Cross multiply
    3,681.04x = 5,063.88 × 3,230.96
  4. Step 4: Simplify right side
    3,681.04x = 16,361,193.72
  5. Step 5: Solve for x
    x = 16,361,193.72/3,681.04
  6. Step 6: Final answer
    x = 4,444.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.