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Finding the Fourth Proportional to 40,006.35, 60,007.95 and 10,424.43

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Solution

The fourth proportional to 40,006.35, 60,007.95 and 10,424.43 is: 15,636.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,006.35 : 60,007.95 = 10,424.43 : x
  2. Step 2: Convert to fraction form
    40,006.35/60,007.95 = 10,424.43/x
  3. Step 3: Cross multiply
    40,006.35x = 60,007.95 × 10,424.43
  4. Step 4: Simplify right side
    40,006.35x = 625,548,674.22
  5. Step 5: Solve for x
    x = 625,548,674.22/40,006.35
  6. Step 6: Final answer
    x = 15,636.23

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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.