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Finding the Fourth Proportional to 63,513, 87,650.38 and 35,218.08

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Solution

The fourth proportional to 63,513, 87,650.38 and 35,218.08 is: 48,602.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,513 : 87,650.38 = 35,218.08 : x
  2. Step 2: Convert to fraction form
    63,513/87,650.38 = 35,218.08/x
  3. Step 3: Cross multiply
    63,513x = 87,650.38 × 35,218.08
  4. Step 4: Simplify right side
    63,513x = 3,086,878,094.87
  5. Step 5: Solve for x
    x = 3,086,878,094.87/63,513
  6. Step 6: Final answer
    x = 48,602.30

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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.