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Finding the Fourth Proportional to 63,087, 94,630.50 and 35,387.16

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Solution

The fourth proportional to 63,087, 94,630.50 and 35,387.16 is: 53,080.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,087 : 94,630.50 = 35,387.16 : x
  2. Step 2: Convert to fraction form
    63,087/94,630.50 = 35,387.16/x
  3. Step 3: Cross multiply
    63,087x = 94,630.50 × 35,387.16
  4. Step 4: Simplify right side
    63,087x = 3,348,704,644.38
  5. Step 5: Solve for x
    x = 3,348,704,644.38/63,087
  6. Step 6: Final answer
    x = 53,080.74

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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.