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Finding the Fourth Proportional to 70,855.66, 97,778.46 and 39,024.52

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Solution

The fourth proportional to 70,855.66, 97,778.46 and 39,024.52 is: 53,852.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,855.66 : 97,778.46 = 39,024.52 : x
  2. Step 2: Convert to fraction form
    70,855.66/97,778.46 = 39,024.52/x
  3. Step 3: Cross multiply
    70,855.66x = 97,778.46 × 39,024.52
  4. Step 4: Simplify right side
    70,855.66x = 3,815,757,467.84
  5. Step 5: Solve for x
    x = 3,815,757,467.84/70,855.66
  6. Step 6: Final answer
    x = 53,852.54

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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.