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Finding the Fourth Proportional to 61,996.76, 85,564.86 and 37,811.75

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Solution

The fourth proportional to 61,996.76, 85,564.86 and 37,811.75 is: 52,185.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,996.76 : 85,564.86 = 37,811.75 : x
  2. Step 2: Convert to fraction form
    61,996.76/85,564.86 = 37,811.75/x
  3. Step 3: Cross multiply
    61,996.76x = 85,564.86 × 37,811.75
  4. Step 4: Simplify right side
    61,996.76x = 3,235,357,095.11
  5. Step 5: Solve for x
    x = 3,235,357,095.11/61,996.76
  6. Step 6: Final answer
    x = 52,185.91

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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.