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Finding the Fourth Proportional to 39,462.25, 54,459.53 and 22,695.25

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Solution

The fourth proportional to 39,462.25, 54,459.53 and 22,695.25 is: 31,320.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,462.25 : 54,459.53 = 22,695.25 : x
  2. Step 2: Convert to fraction form
    39,462.25/54,459.53 = 22,695.25/x
  3. Step 3: Cross multiply
    39,462.25x = 54,459.53 × 22,695.25
  4. Step 4: Simplify right side
    39,462.25x = 1,235,972,648.23
  5. Step 5: Solve for x
    x = 1,235,972,648.23/39,462.25
  6. Step 6: Final answer
    x = 31,320.38

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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.