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Finding the Fourth Proportional to 65,248.95, 90,049.87 and 36,573.48

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Solution

The fourth proportional to 65,248.95, 90,049.87 and 36,573.48 is: 50,474.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,248.95 : 90,049.87 = 36,573.48 : x
  2. Step 2: Convert to fraction form
    65,248.95/90,049.87 = 36,573.48/x
  3. Step 3: Cross multiply
    65,248.95x = 90,049.87 × 36,573.48
  4. Step 4: Simplify right side
    65,248.95x = 3,293,437,062.30
  5. Step 5: Solve for x
    x = 3,293,437,062.30/65,248.95
  6. Step 6: Final answer
    x = 50,474.94

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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.