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Finding the Fourth Proportional to 65,494.98, 90,383.08 and 35,686.98

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Solution

The fourth proportional to 65,494.98, 90,383.08 and 35,686.98 is: 49,248.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,494.98 : 90,383.08 = 35,686.98 : x
  2. Step 2: Convert to fraction form
    65,494.98/90,383.08 = 35,686.98/x
  3. Step 3: Cross multiply
    65,494.98x = 90,383.08 × 35,686.98
  4. Step 4: Simplify right side
    65,494.98x = 3,225,499,168.30
  5. Step 5: Solve for x
    x = 3,225,499,168.30/65,494.98
  6. Step 6: Final answer
    x = 49,248.04

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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.