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Finding the Fourth Proportional to 69,774.82, 96,288.35 and 37,943.03

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Solution

The fourth proportional to 69,774.82, 96,288.35 and 37,943.03 is: 52,360.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,774.82 : 96,288.35 = 37,943.03 : x
  2. Step 2: Convert to fraction form
    69,774.82/96,288.35 = 37,943.03/x
  3. Step 3: Cross multiply
    69,774.82x = 96,288.35 × 37,943.03
  4. Step 4: Simplify right side
    69,774.82x = 3,653,471,803.71
  5. Step 5: Solve for x
    x = 3,653,471,803.71/69,774.82
  6. Step 6: Final answer
    x = 52,360.89

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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.