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Finding the Fourth Proportional to 70,558.83, 97,353.97 and 39,932.63

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Solution

The fourth proportional to 70,558.83, 97,353.97 and 39,932.63 is: 55,097.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,558.83 : 97,353.97 = 39,932.63 : x
  2. Step 2: Convert to fraction form
    70,558.83/97,353.97 = 39,932.63/x
  3. Step 3: Cross multiply
    70,558.83x = 97,353.97 × 39,932.63
  4. Step 4: Simplify right side
    70,558.83x = 3,887,600,063.04
  5. Step 5: Solve for x
    x = 3,887,600,063.04/70,558.83
  6. Step 6: Final answer
    x = 55,097.29

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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.