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Finding the Fourth Proportional to 63,268.50, 87,302.97 and 34,970.34

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Solution

The fourth proportional to 63,268.50, 87,302.97 and 34,970.34 is: 48,254.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,268.50 : 87,302.97 = 34,970.34 : x
  2. Step 2: Convert to fraction form
    63,268.50/87,302.97 = 34,970.34/x
  3. Step 3: Cross multiply
    63,268.50x = 87,302.97 × 34,970.34
  4. Step 4: Simplify right side
    63,268.50x = 3,053,014,543.91
  5. Step 5: Solve for x
    x = 3,053,014,543.91/63,268.50
  6. Step 6: Final answer
    x = 48,254.89

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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.