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Finding the Fourth Proportional to 5,308.80, 7,306.80 and 4,675.19

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Solution

The fourth proportional to 5,308.80, 7,306.80 and 4,675.19 is: 6,434.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,308.80 : 7,306.80 = 4,675.19 : x
  2. Step 2: Convert to fraction form
    5,308.80/7,306.80 = 4,675.19/x
  3. Step 3: Cross multiply
    5,308.80x = 7,306.80 × 4,675.19
  4. Step 4: Simplify right side
    5,308.80x = 34,160,641.76
  5. Step 5: Solve for x
    x = 34,160,641.76/5,308.80
  6. Step 6: Final answer
    x = 6,434.72

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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.