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Finding the Fourth Proportional to 64,552.62, 89,079.39 and 39,064.62

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Solution

The fourth proportional to 64,552.62, 89,079.39 and 39,064.62 is: 53,907.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,552.62 : 89,079.39 = 39,064.62 : x
  2. Step 2: Convert to fraction form
    64,552.62/89,079.39 = 39,064.62/x
  3. Step 3: Cross multiply
    64,552.62x = 89,079.39 × 39,064.62
  4. Step 4: Simplify right side
    64,552.62x = 3,479,852,520.18
  5. Step 5: Solve for x
    x = 3,479,852,520.18/64,552.62
  6. Step 6: Final answer
    x = 53,907.22

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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.