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Finding the Fourth Proportional to 63,314.48, 94,976.22 and 18,937.64

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Solution

The fourth proportional to 63,314.48, 94,976.22 and 18,937.64 is: 28,407.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,314.48 : 94,976.22 = 18,937.64 : x
  2. Step 2: Convert to fraction form
    63,314.48/94,976.22 = 18,937.64/x
  3. Step 3: Cross multiply
    63,314.48x = 94,976.22 × 18,937.64
  4. Step 4: Simplify right side
    63,314.48x = 1,798,625,462.92
  5. Step 5: Solve for x
    x = 1,798,625,462.92/63,314.48
  6. Step 6: Final answer
    x = 28,407.81

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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.