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Finding the Fourth Proportional to 40,274.99, 60,407.81 and 10,695.14

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Solution

The fourth proportional to 40,274.99, 60,407.81 and 10,695.14 is: 16,041.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,274.99 : 60,407.81 = 10,695.14 : x
  2. Step 2: Convert to fraction form
    40,274.99/60,407.81 = 10,695.14/x
  3. Step 3: Cross multiply
    40,274.99x = 60,407.81 × 10,695.14
  4. Step 4: Simplify right side
    40,274.99x = 646,069,896.16
  5. Step 5: Solve for x
    x = 646,069,896.16/40,274.99
  6. Step 6: Final answer
    x = 16,041.47

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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.