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Finding the Fourth Proportional to 40,282.65, 60,419.71 and 10,703.47

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Solution

The fourth proportional to 40,282.65, 60,419.71 and 10,703.47 is: 16,054.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,282.65 : 60,419.71 = 10,703.47 : x
  2. Step 2: Convert to fraction form
    40,282.65/60,419.71 = 10,703.47/x
  3. Step 3: Cross multiply
    40,282.65x = 60,419.71 × 10,703.47
  4. Step 4: Simplify right side
    40,282.65x = 646,700,553.39
  5. Step 5: Solve for x
    x = 646,700,553.39/40,282.65
  6. Step 6: Final answer
    x = 16,054.07

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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.