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Finding the Fourth Proportional to 39,941.48, 59,868.48 and 20,192.87

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Solution

The fourth proportional to 39,941.48, 59,868.48 and 20,192.87 is: 30,267.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,941.48 : 59,868.48 = 20,192.87 : x
  2. Step 2: Convert to fraction form
    39,941.48/59,868.48 = 20,192.87/x
  3. Step 3: Cross multiply
    39,941.48x = 59,868.48 × 20,192.87
  4. Step 4: Simplify right side
    39,941.48x = 1,208,916,433.74
  5. Step 5: Solve for x
    x = 1,208,916,433.74/39,941.48
  6. Step 6: Final answer
    x = 30,267.19

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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.