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Finding the Fourth Proportional to 61,161.80, 91,742.70 and 37,833.80

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Solution

The fourth proportional to 61,161.80, 91,742.70 and 37,833.80 is: 56,750.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,161.80 : 91,742.70 = 37,833.80 : x
  2. Step 2: Convert to fraction form
    61,161.80/91,742.70 = 37,833.80/x
  3. Step 3: Cross multiply
    61,161.80x = 91,742.70 × 37,833.80
  4. Step 4: Simplify right side
    61,161.80x = 3,470,974,963.26
  5. Step 5: Solve for x
    x = 3,470,974,963.26/61,161.80
  6. Step 6: Final answer
    x = 56,750.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.