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Finding the Fourth Proportional to 70,773.70, 97,667.34 and 38,942.47

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Solution

The fourth proportional to 70,773.70, 97,667.34 and 38,942.47 is: 53,740.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,773.70 : 97,667.34 = 38,942.47 : x
  2. Step 2: Convert to fraction form
    70,773.70/97,667.34 = 38,942.47/x
  3. Step 3: Cross multiply
    70,773.70x = 97,667.34 × 38,942.47
  4. Step 4: Simplify right side
    70,773.70x = 3,803,407,457.93
  5. Step 5: Solve for x
    x = 3,803,407,457.93/70,773.70
  6. Step 6: Final answer
    x = 53,740.41

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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.