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Finding the Fourth Proportional to 69,901, 96,467.22 and 40,094.92

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Solution

The fourth proportional to 69,901, 96,467.22 and 40,094.92 is: 55,333.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,901 : 96,467.22 = 40,094.92 : x
  2. Step 2: Convert to fraction form
    69,901/96,467.22 = 40,094.92/x
  3. Step 3: Cross multiply
    69,901x = 96,467.22 × 40,094.92
  4. Step 4: Simplify right side
    69,901x = 3,867,845,468.52
  5. Step 5: Solve for x
    x = 3,867,845,468.52/69,901
  6. Step 6: Final answer
    x = 55,333.19

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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.