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Finding the Fourth Proportional to 61,718.16, 85,171.04 and 33,423.84

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Solution

The fourth proportional to 61,718.16, 85,171.04 and 33,423.84 is: 46,124.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,718.16 : 85,171.04 = 33,423.84 : x
  2. Step 2: Convert to fraction form
    61,718.16/85,171.04 = 33,423.84/x
  3. Step 3: Cross multiply
    61,718.16x = 85,171.04 × 33,423.84
  4. Step 4: Simplify right side
    61,718.16x = 2,846,743,213.59
  5. Step 5: Solve for x
    x = 2,846,743,213.59/61,718.16
  6. Step 6: Final answer
    x = 46,124.89

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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.