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Finding the Fourth Proportional to 48,639.47, 67,122.47 and 26,283.47

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Solution

The fourth proportional to 48,639.47, 67,122.47 and 26,283.47 is: 36,271.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,639.47 : 67,122.47 = 26,283.47 : x
  2. Step 2: Convert to fraction form
    48,639.47/67,122.47 = 26,283.47/x
  3. Step 3: Cross multiply
    48,639.47x = 67,122.47 × 26,283.47
  4. Step 4: Simplify right side
    48,639.47x = 1,764,211,426.57
  5. Step 5: Solve for x
    x = 1,764,211,426.57/48,639.47
  6. Step 6: Final answer
    x = 36,271.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.