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Finding the Fourth Proportional to 70,300.59, 97,014.82 and 38,469.49

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Solution

The fourth proportional to 70,300.59, 97,014.82 and 38,469.49 is: 53,087.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,300.59 : 97,014.82 = 38,469.49 : x
  2. Step 2: Convert to fraction form
    70,300.59/97,014.82 = 38,469.49/x
  3. Step 3: Cross multiply
    70,300.59x = 97,014.82 × 38,469.49
  4. Step 4: Simplify right side
    70,300.59x = 3,732,110,647.84
  5. Step 5: Solve for x
    x = 3,732,110,647.84/70,300.59
  6. Step 6: Final answer
    x = 53,087.90

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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.