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Finding the Fourth Proportional to 62,449.40, 86,174.78 and 35,223.98

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Solution

The fourth proportional to 62,449.40, 86,174.78 and 35,223.98 is: 48,606.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,449.40 : 86,174.78 = 35,223.98 : x
  2. Step 2: Convert to fraction form
    62,449.40/86,174.78 = 35,223.98/x
  3. Step 3: Cross multiply
    62,449.40x = 86,174.78 × 35,223.98
  4. Step 4: Simplify right side
    62,449.40x = 3,035,418,727.22
  5. Step 5: Solve for x
    x = 3,035,418,727.22/62,449.40
  6. Step 6: Final answer
    x = 48,606.05

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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.