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Finding the Fourth Proportional to 39,633.82, 59,459.82 and 13,337.86

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Solution

The fourth proportional to 39,633.82, 59,459.82 and 13,337.86 is: 20,009.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,633.82 : 59,459.82 = 13,337.86 : x
  2. Step 2: Convert to fraction form
    39,633.82/59,459.82 = 13,337.86/x
  3. Step 3: Cross multiply
    39,633.82x = 59,459.82 × 13,337.86
  4. Step 4: Simplify right side
    39,633.82x = 793,066,754.79
  5. Step 5: Solve for x
    x = 793,066,754.79/39,633.82
  6. Step 6: Final answer
    x = 20,009.85

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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.