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Finding the Fourth Proportional to 65,801.20, 90,808.02 and 37,502.32

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Solution

The fourth proportional to 65,801.20, 90,808.02 and 37,502.32 is: 51,754.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,801.20 : 90,808.02 = 37,502.32 : x
  2. Step 2: Convert to fraction form
    65,801.20/90,808.02 = 37,502.32/x
  3. Step 3: Cross multiply
    65,801.20x = 90,808.02 × 37,502.32
  4. Step 4: Simplify right side
    65,801.20x = 3,405,511,424.61
  5. Step 5: Solve for x
    x = 3,405,511,424.61/65,801.20
  6. Step 6: Final answer
    x = 51,754.55

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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.