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Finding the Fourth Proportional to 70,768.92, 97,628.58 and 45,262.56

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Solution

The fourth proportional to 70,768.92, 97,628.58 and 45,262.56 is: 62,441.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,768.92 : 97,628.58 = 45,262.56 : x
  2. Step 2: Convert to fraction form
    70,768.92/97,628.58 = 45,262.56/x
  3. Step 3: Cross multiply
    70,768.92x = 97,628.58 × 45,262.56
  4. Step 4: Simplify right side
    70,768.92x = 4,418,919,459.96
  5. Step 5: Solve for x
    x = 4,418,919,459.96/70,768.92
  6. Step 6: Final answer
    x = 62,441.53

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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.