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Finding the Fourth Proportional to 3,502.52, 5,253.78 and 1,860.28

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Solution

The fourth proportional to 3,502.52, 5,253.78 and 1,860.28 is: 2,790.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,502.52 : 5,253.78 = 1,860.28 : x
  2. Step 2: Convert to fraction form
    3,502.52/5,253.78 = 1,860.28/x
  3. Step 3: Cross multiply
    3,502.52x = 5,253.78 × 1,860.28
  4. Step 4: Simplify right side
    3,502.52x = 9,773,501.86
  5. Step 5: Solve for x
    x = 9,773,501.86/3,502.52
  6. Step 6: Final answer
    x = 2,790.42

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1.5x scale

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.