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Finding the Fourth Proportional to 59,662.68, 89,438.28 and 20,192.28

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Solution

The fourth proportional to 59,662.68, 89,438.28 and 20,192.28 is: 30,269.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,662.68 : 89,438.28 = 20,192.28 : x
  2. Step 2: Convert to fraction form
    59,662.68/89,438.28 = 20,192.28/x
  3. Step 3: Cross multiply
    59,662.68x = 89,438.28 × 20,192.28
  4. Step 4: Simplify right side
    59,662.68x = 1,805,962,792.48
  5. Step 5: Solve for x
    x = 1,805,962,792.48/59,662.68
  6. Step 6: Final answer
    x = 30,269.56

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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.