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Finding the Fourth Proportional to 61,453.97, 84,800.61 and 45,330.05

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Solution

The fourth proportional to 61,453.97, 84,800.61 and 45,330.05 is: 62,551.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,453.97 : 84,800.61 = 45,330.05 : x
  2. Step 2: Convert to fraction form
    61,453.97/84,800.61 = 45,330.05/x
  3. Step 3: Cross multiply
    61,453.97x = 84,800.61 × 45,330.05
  4. Step 4: Simplify right side
    61,453.97x = 3,844,015,891.33
  5. Step 5: Solve for x
    x = 3,844,015,891.33/61,453.97
  6. Step 6: Final answer
    x = 62,551.14

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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.