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Finding the Fourth Proportional to 61,141.40, 91,625.70 and 37,698.20

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Solution

The fourth proportional to 61,141.40, 91,625.70 and 37,698.20 is: 56,494.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,141.40 : 91,625.70 = 37,698.20 : x
  2. Step 2: Convert to fraction form
    61,141.40/91,625.70 = 37,698.20/x
  3. Step 3: Cross multiply
    61,141.40x = 91,625.70 × 37,698.20
  4. Step 4: Simplify right side
    61,141.40x = 3,454,123,963.74
  5. Step 5: Solve for x
    x = 3,454,123,963.74/61,141.40
  6. Step 6: Final answer
    x = 56,494.03

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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.