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Finding the Fourth Proportional to 61,855.84, 85,358.77 and 33,560.92

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Solution

The fourth proportional to 61,855.84, 85,358.77 and 33,560.92 is: 46,312.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,855.84 : 85,358.77 = 33,560.92 : x
  2. Step 2: Convert to fraction form
    61,855.84/85,358.77 = 33,560.92/x
  3. Step 3: Cross multiply
    61,855.84x = 85,358.77 × 33,560.92
  4. Step 4: Simplify right side
    61,855.84x = 2,864,718,851.27
  5. Step 5: Solve for x
    x = 2,864,718,851.27/61,855.84
  6. Step 6: Final answer
    x = 46,312.83

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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.