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Finding the Fourth Proportional to 60,425.30, 90,637.35 and 36,739.38

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Solution

The fourth proportional to 60,425.30, 90,637.35 and 36,739.38 is: 55,108.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,425.30 : 90,637.35 = 36,739.38 : x
  2. Step 2: Convert to fraction form
    60,425.30/90,637.35 = 36,739.38/x
  3. Step 3: Cross multiply
    60,425.30x = 90,637.35 × 36,739.38
  4. Step 4: Simplify right side
    60,425.30x = 3,329,960,043.84
  5. Step 5: Solve for x
    x = 3,329,960,043.84/60,425.30
  6. Step 6: Final answer
    x = 55,108.71

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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.