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Finding the Fourth Proportional to 61,835.59, 85,330.83 and 33,540.67

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Solution

The fourth proportional to 61,835.59, 85,330.83 and 33,540.67 is: 46,284.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,835.59 : 85,330.83 = 33,540.67 : x
  2. Step 2: Convert to fraction form
    61,835.59/85,330.83 = 33,540.67/x
  3. Step 3: Cross multiply
    61,835.59x = 85,330.83 × 33,540.67
  4. Step 4: Simplify right side
    61,835.59x = 2,862,053,209.86
  5. Step 5: Solve for x
    x = 2,862,053,209.86/61,835.59
  6. Step 6: Final answer
    x = 46,284.89

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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.