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Finding the Fourth Proportional to 61,992.10, 85,549.15 and 33,697.79

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Solution

The fourth proportional to 61,992.10, 85,549.15 and 33,697.79 is: 46,502.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,992.10 : 85,549.15 = 33,697.79 : x
  2. Step 2: Convert to fraction form
    61,992.10/85,549.15 = 33,697.79/x
  3. Step 3: Cross multiply
    61,992.10x = 85,549.15 × 33,697.79
  4. Step 4: Simplify right side
    61,992.10x = 2,882,817,291.38
  5. Step 5: Solve for x
    x = 2,882,817,291.38/61,992.10
  6. Step 6: Final answer
    x = 46,502.98

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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.