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Finding the Fourth Proportional to 69,576.76, 96,053.14 and 54,437.25

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Solution

The fourth proportional to 69,576.76, 96,053.14 and 54,437.25 is: 75,152.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,576.76 : 96,053.14 = 54,437.25 : x
  2. Step 2: Convert to fraction form
    69,576.76/96,053.14 = 54,437.25/x
  3. Step 3: Cross multiply
    69,576.76x = 96,053.14 × 54,437.25
  4. Step 4: Simplify right side
    69,576.76x = 5,228,868,795.47
  5. Step 5: Solve for x
    x = 5,228,868,795.47/69,576.76
  6. Step 6: Final answer
    x = 75,152.52

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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.