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Finding the Fourth Proportional to 59,772.84, 89,650.78 and 20,324.24

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Solution

The fourth proportional to 59,772.84, 89,650.78 and 20,324.24 is: 30,483.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,772.84 : 89,650.78 = 20,324.24 : x
  2. Step 2: Convert to fraction form
    59,772.84/89,650.78 = 20,324.24/x
  3. Step 3: Cross multiply
    59,772.84x = 89,650.78 × 20,324.24
  4. Step 4: Simplify right side
    59,772.84x = 1,822,083,968.91
  5. Step 5: Solve for x
    x = 1,822,083,968.91/59,772.84
  6. Step 6: Final answer
    x = 30,483.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.