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Finding the Fourth Proportional to 61,933.46, 85,468.53 and 33,639.38

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Solution

The fourth proportional to 61,933.46, 85,468.53 and 33,639.38 is: 46,422.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,933.46 : 85,468.53 = 33,639.38 : x
  2. Step 2: Convert to fraction form
    61,933.46/85,468.53 = 33,639.38/x
  3. Step 3: Cross multiply
    61,933.46x = 85,468.53 × 33,639.38
  4. Step 4: Simplify right side
    61,933.46x = 2,875,108,358.71
  5. Step 5: Solve for x
    x = 2,875,108,358.71/61,933.46
  6. Step 6: Final answer
    x = 46,422.54

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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.