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Finding the Fourth Proportional to 39,474.48, 59,217.48 and 13,174.32

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Solution

The fourth proportional to 39,474.48, 59,217.48 and 13,174.32 is: 19,763.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,474.48 : 59,217.48 = 13,174.32 : x
  2. Step 2: Convert to fraction form
    39,474.48/59,217.48 = 13,174.32/x
  3. Step 3: Cross multiply
    39,474.48x = 59,217.48 × 13,174.32
  4. Step 4: Simplify right side
    39,474.48x = 780,150,031.11
  5. Step 5: Solve for x
    x = 780,150,031.11/39,474.48
  6. Step 6: Final answer
    x = 19,763.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.