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Finding the Fourth Proportional to 5,365.96, 7,404.65 and 2,976.05

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Solution

The fourth proportional to 5,365.96, 7,404.65 and 2,976.05 is: 4,106.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,365.96 : 7,404.65 = 2,976.05 : x
  2. Step 2: Convert to fraction form
    5,365.96/7,404.65 = 2,976.05/x
  3. Step 3: Cross multiply
    5,365.96x = 7,404.65 × 2,976.05
  4. Step 4: Simplify right side
    5,365.96x = 22,036,623.42
  5. Step 5: Solve for x
    x = 22,036,623.42/5,365.96
  6. Step 6: Final answer
    x = 4,106.75

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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.