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Finding the Fourth Proportional to 47,138.40, 65,050.98 and 25,919.04

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Solution

The fourth proportional to 47,138.40, 65,050.98 and 25,919.04 is: 35,768.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,138.40 : 65,050.98 = 25,919.04 : x
  2. Step 2: Convert to fraction form
    47,138.40/65,050.98 = 25,919.04/x
  3. Step 3: Cross multiply
    47,138.40x = 65,050.98 × 25,919.04
  4. Step 4: Simplify right side
    47,138.40x = 1,686,058,952.66
  5. Step 5: Solve for x
    x = 1,686,058,952.66/47,138.40
  6. Step 6: Final answer
    x = 35,768.27

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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.