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Finding the Fourth Proportional to 71,365.38, 98,484.22 and 39,536.34

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Solution

The fourth proportional to 71,365.38, 98,484.22 and 39,536.34 is: 54,560.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,365.38 : 98,484.22 = 39,536.34 : x
  2. Step 2: Convert to fraction form
    71,365.38/98,484.22 = 39,536.34/x
  3. Step 3: Cross multiply
    71,365.38x = 98,484.22 × 39,536.34
  4. Step 4: Simplify right side
    71,365.38x = 3,893,705,606.55
  5. Step 5: Solve for x
    x = 3,893,705,606.55/71,365.38
  6. Step 6: Final answer
    x = 54,560.15

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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.