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Finding the Fourth Proportional to 61,991.84, 85,549.28 and 33,697.52

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Solution

The fourth proportional to 61,991.84, 85,549.28 and 33,697.52 is: 46,502.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,991.84 : 85,549.28 = 33,697.52 : x
  2. Step 2: Convert to fraction form
    61,991.84/85,549.28 = 33,697.52/x
  3. Step 3: Cross multiply
    61,991.84x = 85,549.28 × 33,697.52
  4. Step 4: Simplify right side
    61,991.84x = 2,882,798,573.79
  5. Step 5: Solve for x
    x = 2,882,798,573.79/61,991.84
  6. Step 6: Final answer
    x = 46,502.87

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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.