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Finding the Fourth Proportional to 69,521.67, 95,888.94 and 45,639.63

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Solution

The fourth proportional to 69,521.67, 95,888.94 and 45,639.63 is: 62,949.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,521.67 : 95,888.94 = 45,639.63 : x
  2. Step 2: Convert to fraction form
    69,521.67/95,888.94 = 45,639.63/x
  3. Step 3: Cross multiply
    69,521.67x = 95,888.94 × 45,639.63
  4. Step 4: Simplify right side
    69,521.67x = 4,376,335,742.69
  5. Step 5: Solve for x
    x = 4,376,335,742.69/69,521.67
  6. Step 6: Final answer
    x = 62,949.23

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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.