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Finding the Fourth Proportional to 70,355.48, 97,096.98 and 38,528.96

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Solution

The fourth proportional to 70,355.48, 97,096.98 and 38,528.96 is: 53,173.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,355.48 : 97,096.98 = 38,528.96 : x
  2. Step 2: Convert to fraction form
    70,355.48/97,096.98 = 38,528.96/x
  3. Step 3: Cross multiply
    70,355.48x = 97,096.98 × 38,528.96
  4. Step 4: Simplify right side
    70,355.48x = 3,741,045,658.54
  5. Step 5: Solve for x
    x = 3,741,045,658.54/70,355.48
  6. Step 6: Final answer
    x = 53,173.48

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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.