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Finding the Fourth Proportional to 63,256.80, 87,303.16 and 36,398.80

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Solution

The fourth proportional to 63,256.80, 87,303.16 and 36,398.80 is: 50,235.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,256.80 : 87,303.16 = 36,398.80 : x
  2. Step 2: Convert to fraction form
    63,256.80/87,303.16 = 36,398.80/x
  3. Step 3: Cross multiply
    63,256.80x = 87,303.16 × 36,398.80
  4. Step 4: Simplify right side
    63,256.80x = 3,177,730,260.21
  5. Step 5: Solve for x
    x = 3,177,730,260.21/63,256.80
  6. Step 6: Final answer
    x = 50,235.39

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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.