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Finding the Fourth Proportional to 69,695.84, 96,181.92 and 37,866.56

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Solution

The fourth proportional to 69,695.84, 96,181.92 and 37,866.56 is: 52,256.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,695.84 : 96,181.92 = 37,866.56 : x
  2. Step 2: Convert to fraction form
    69,695.84/96,181.92 = 37,866.56/x
  3. Step 3: Cross multiply
    69,695.84x = 96,181.92 × 37,866.56
  4. Step 4: Simplify right side
    69,695.84x = 3,642,078,444.60
  5. Step 5: Solve for x
    x = 3,642,078,444.60/69,695.84
  6. Step 6: Final answer
    x = 52,256.76

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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.