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Finding the Fourth Proportional to 61,318.01, 84,616.25 and 35,825.79

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Solution

The fourth proportional to 61,318.01, 84,616.25 and 35,825.79 is: 49,438.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,318.01 : 84,616.25 = 35,825.79 : x
  2. Step 2: Convert to fraction form
    61,318.01/84,616.25 = 35,825.79/x
  3. Step 3: Cross multiply
    61,318.01x = 84,616.25 × 35,825.79
  4. Step 4: Simplify right side
    61,318.01x = 3,031,444,141.27
  5. Step 5: Solve for x
    x = 3,031,444,141.27/61,318.01
  6. Step 6: Final answer
    x = 49,438.07

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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.