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Finding the Fourth Proportional to 70,941.33, 97,897.73 and 38,676.29

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Solution

The fourth proportional to 70,941.33, 97,897.73 and 38,676.29 is: 53,372.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,941.33 : 97,897.73 = 38,676.29 : x
  2. Step 2: Convert to fraction form
    70,941.33/97,897.73 = 38,676.29/x
  3. Step 3: Cross multiply
    70,941.33x = 97,897.73 × 38,676.29
  4. Step 4: Simplify right side
    70,941.33x = 3,786,320,312.95
  5. Step 5: Solve for x
    x = 3,786,320,312.95/70,941.33
  6. Step 6: Final answer
    x = 53,372.56

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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.