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Finding the Fourth Proportional to 70,634.58, 97,477.50 and 38,806.44

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Solution

The fourth proportional to 70,634.58, 97,477.50 and 38,806.44 is: 53,553.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,634.58 : 97,477.50 = 38,806.44 : x
  2. Step 2: Convert to fraction form
    70,634.58/97,477.50 = 38,806.44/x
  3. Step 3: Cross multiply
    70,634.58x = 97,477.50 × 38,806.44
  4. Step 4: Simplify right side
    70,634.58x = 3,782,754,755.10
  5. Step 5: Solve for x
    x = 3,782,754,755.10/70,634.58
  6. Step 6: Final answer
    x = 53,553.86

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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.