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Finding the Fourth Proportional to 63,189.61, 87,201.60 and 34,895.23

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Solution

The fourth proportional to 63,189.61, 87,201.60 and 34,895.23 is: 48,155.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,189.61 : 87,201.60 = 34,895.23 : x
  2. Step 2: Convert to fraction form
    63,189.61/87,201.60 = 34,895.23/x
  3. Step 3: Cross multiply
    63,189.61x = 87,201.60 × 34,895.23
  4. Step 4: Simplify right side
    63,189.61x = 3,042,919,539.51
  5. Step 5: Solve for x
    x = 3,042,919,539.51/63,189.61
  6. Step 6: Final answer
    x = 48,155.38

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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.