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Finding the Fourth Proportional to 69,533.78, 95,962.54 and 39,324.46

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Solution

The fourth proportional to 69,533.78, 95,962.54 and 39,324.46 is: 54,271.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,533.78 : 95,962.54 = 39,324.46 : x
  2. Step 2: Convert to fraction form
    69,533.78/95,962.54 = 39,324.46/x
  3. Step 3: Cross multiply
    69,533.78x = 95,962.54 × 39,324.46
  4. Step 4: Simplify right side
    69,533.78x = 3,773,675,065.73
  5. Step 5: Solve for x
    x = 3,773,675,065.73/69,533.78
  6. Step 6: Final answer
    x = 54,271.10

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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.