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Finding the Fourth Proportional to 48,643.46, 67,127.96 and 26,287.46

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Solution

The fourth proportional to 48,643.46, 67,127.96 and 26,287.46 is: 36,276.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,643.46 : 67,127.96 = 26,287.46 : x
  2. Step 2: Convert to fraction form
    48,643.46/67,127.96 = 26,287.46/x
  3. Step 3: Cross multiply
    48,643.46x = 67,127.96 × 26,287.46
  4. Step 4: Simplify right side
    48,643.46x = 1,764,623,431.94
  5. Step 5: Solve for x
    x = 1,764,623,431.94/48,643.46
  6. Step 6: Final answer
    x = 36,276.68

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1.5x scale

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.