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Finding the Fourth Proportional to 40,048.62, 60,066.62 and 13,394.41

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Solution

The fourth proportional to 40,048.62, 60,066.62 and 13,394.41 is: 20,089.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,048.62 : 60,066.62 = 13,394.41 : x
  2. Step 2: Convert to fraction form
    40,048.62/60,066.62 = 13,394.41/x
  3. Step 3: Cross multiply
    40,048.62x = 60,066.62 × 13,394.41
  4. Step 4: Simplify right side
    40,048.62x = 804,556,935.59
  5. Step 5: Solve for x
    x = 804,556,935.59/40,048.62
  6. Step 6: Final answer
    x = 20,089.50

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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.