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Finding the Fourth Proportional to 5,436.75, 7,502.72 and 2,952.75

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Solution

The fourth proportional to 5,436.75, 7,502.72 and 2,952.75 is: 4,074.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,436.75 : 7,502.72 = 2,952.75 : x
  2. Step 2: Convert to fraction form
    5,436.75/7,502.72 = 2,952.75/x
  3. Step 3: Cross multiply
    5,436.75x = 7,502.72 × 2,952.75
  4. Step 4: Simplify right side
    5,436.75x = 22,153,641.72
  5. Step 5: Solve for x
    x = 22,153,641.72/5,436.75
  6. Step 6: Final answer
    x = 4,074.80

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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.