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Finding the Fourth Proportional to 63,303.57, 87,349.20 and 36,440.87

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Solution

The fourth proportional to 63,303.57, 87,349.20 and 36,440.87 is: 50,282.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,303.57 : 87,349.20 = 36,440.87 : x
  2. Step 2: Convert to fraction form
    63,303.57/87,349.20 = 36,440.87/x
  3. Step 3: Cross multiply
    63,303.57x = 87,349.20 × 36,440.87
  4. Step 4: Simplify right side
    63,303.57x = 3,183,080,575.87
  5. Step 5: Solve for x
    x = 3,183,080,575.87/63,303.57
  6. Step 6: Final answer
    x = 50,282.80

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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.