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Finding the Fourth Proportional to 61,752.81, 85,221.26 and 37,546.83

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Solution

The fourth proportional to 61,752.81, 85,221.26 and 37,546.83 is: 51,816.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,752.81 : 85,221.26 = 37,546.83 : x
  2. Step 2: Convert to fraction form
    61,752.81/85,221.26 = 37,546.83/x
  3. Step 3: Cross multiply
    61,752.81x = 85,221.26 × 37,546.83
  4. Step 4: Simplify right side
    61,752.81x = 3,199,787,973.87
  5. Step 5: Solve for x
    x = 3,199,787,973.87/61,752.81
  6. Step 6: Final answer
    x = 51,816.07

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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.