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Finding the Fourth Proportional to 69,387.40, 95,754.80 and 37,556.40

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Solution

The fourth proportional to 69,387.40, 95,754.80 and 37,556.40 is: 51,827.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,387.40 : 95,754.80 = 37,556.40 : x
  2. Step 2: Convert to fraction form
    69,387.40/95,754.80 = 37,556.40/x
  3. Step 3: Cross multiply
    69,387.40x = 95,754.80 × 37,556.40
  4. Step 4: Simplify right side
    69,387.40x = 3,596,205,570.72
  5. Step 5: Solve for x
    x = 3,596,205,570.72/69,387.40
  6. Step 6: Final answer
    x = 51,827.93

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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.