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Finding the Fourth Proportional to 70,558.33, 97,353.29 and 39,932.13

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Solution

The fourth proportional to 70,558.33, 97,353.29 and 39,932.13 is: 55,096.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,558.33 : 97,353.29 = 39,932.13 : x
  2. Step 2: Convert to fraction form
    70,558.33/97,353.29 = 39,932.13/x
  3. Step 3: Cross multiply
    70,558.33x = 97,353.29 × 39,932.13
  4. Step 4: Simplify right side
    70,558.33x = 3,887,524,032.55
  5. Step 5: Solve for x
    x = 3,887,524,032.55/70,558.33
  6. Step 6: Final answer
    x = 55,096.60

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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.