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Finding the Fourth Proportional to 60,247.82, 90,309.06 and 20,237.11

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Solution

The fourth proportional to 60,247.82, 90,309.06 and 20,237.11 is: 30,334.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,247.82 : 90,309.06 = 20,237.11 : x
  2. Step 2: Convert to fraction form
    60,247.82/90,309.06 = 20,237.11/x
  3. Step 3: Cross multiply
    60,247.82x = 90,309.06 × 20,237.11
  4. Step 4: Simplify right side
    60,247.82x = 1,827,594,494.10
  5. Step 5: Solve for x
    x = 1,827,594,494.10/60,247.82
  6. Step 6: Final answer
    x = 30,334.62

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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.