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Finding the Fourth Proportional to 70,627.56, 97,493.80 and 42,327.80

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Solution

The fourth proportional to 70,627.56, 97,493.80 and 42,327.80 is: 58,429.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,627.56 : 97,493.80 = 42,327.80 : x
  2. Step 2: Convert to fraction form
    70,627.56/97,493.80 = 42,327.80/x
  3. Step 3: Cross multiply
    70,627.56x = 97,493.80 × 42,327.80
  4. Step 4: Simplify right side
    70,627.56x = 4,126,698,067.64
  5. Step 5: Solve for x
    x = 4,126,698,067.64/70,627.56
  6. Step 6: Final answer
    x = 58,429.01

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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.