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Finding the Fourth Proportional to 63,272.50, 87,308.47 and 34,974.34

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Solution

The fourth proportional to 63,272.50, 87,308.47 and 34,974.34 is: 48,260.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,272.50 : 87,308.47 = 34,974.34 : x
  2. Step 2: Convert to fraction form
    63,272.50/87,308.47 = 34,974.34/x
  3. Step 3: Cross multiply
    63,272.50x = 87,308.47 × 34,974.34
  4. Step 4: Simplify right side
    63,272.50x = 3,053,556,114.66
  5. Step 5: Solve for x
    x = 3,053,556,114.66/63,272.50
  6. Step 6: Final answer
    x = 48,260.40

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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.