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Finding the Fourth Proportional to 61,602.96, 85,012.88 and 35,767.56

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Solution

The fourth proportional to 61,602.96, 85,012.88 and 35,767.56 is: 49,359.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,602.96 : 85,012.88 = 35,767.56 : x
  2. Step 2: Convert to fraction form
    61,602.96/85,012.88 = 35,767.56/x
  3. Step 3: Cross multiply
    61,602.96x = 85,012.88 × 35,767.56
  4. Step 4: Simplify right side
    61,602.96x = 3,040,703,588.12
  5. Step 5: Solve for x
    x = 3,040,703,588.12/61,602.96
  6. Step 6: Final answer
    x = 49,359.70

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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.