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Finding the Fourth Proportional to 70,300.51, 97,014.70 and 38,469.41

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Solution

The fourth proportional to 70,300.51, 97,014.70 and 38,469.41 is: 53,087.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,300.51 : 97,014.70 = 38,469.41 : x
  2. Step 2: Convert to fraction form
    70,300.51/97,014.70 = 38,469.41/x
  3. Step 3: Cross multiply
    70,300.51x = 97,014.70 × 38,469.41
  4. Step 4: Simplify right side
    70,300.51x = 3,732,098,270.33
  5. Step 5: Solve for x
    x = 3,732,098,270.33/70,300.51
  6. Step 6: Final answer
    x = 53,087.78

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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.