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Finding the Fourth Proportional to 66,043.59, 91,118.62 and 37,360.47

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Solution

The fourth proportional to 66,043.59, 91,118.62 and 37,360.47 is: 51,545.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,043.59 : 91,118.62 = 37,360.47 : x
  2. Step 2: Convert to fraction form
    66,043.59/91,118.62 = 37,360.47/x
  3. Step 3: Cross multiply
    66,043.59x = 91,118.62 × 37,360.47
  4. Step 4: Simplify right side
    66,043.59x = 3,404,234,468.95
  5. Step 5: Solve for x
    x = 3,404,234,468.95/66,043.59
  6. Step 6: Final answer
    x = 51,545.27

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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.