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Finding the Fourth Proportional to 5,503.76, 7,594.80 and 3,019.76

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Solution

The fourth proportional to 5,503.76, 7,594.80 and 3,019.76 is: 4,167.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,503.76 : 7,594.80 = 3,019.76 : x
  2. Step 2: Convert to fraction form
    5,503.76/7,594.80 = 3,019.76/x
  3. Step 3: Cross multiply
    5,503.76x = 7,594.80 × 3,019.76
  4. Step 4: Simplify right side
    5,503.76x = 22,934,473.25
  5. Step 5: Solve for x
    x = 22,934,473.25/5,503.76
  6. Step 6: Final answer
    x = 4,167.06

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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.