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Finding the Fourth Proportional to 63,225.64, 87,250.52 and 34,931.80

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Solution

The fourth proportional to 63,225.64, 87,250.52 and 34,931.80 is: 48,205.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,225.64 : 87,250.52 = 34,931.80 : x
  2. Step 2: Convert to fraction form
    63,225.64/87,250.52 = 34,931.80/x
  3. Step 3: Cross multiply
    63,225.64x = 87,250.52 × 34,931.80
  4. Step 4: Simplify right side
    63,225.64x = 3,047,817,714.54
  5. Step 5: Solve for x
    x = 3,047,817,714.54/63,225.64
  6. Step 6: Final answer
    x = 48,205.41

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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.