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Finding the Fourth Proportional to 48,980.16, 67,472.64 and 35,511.84

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Solution

The fourth proportional to 48,980.16, 67,472.64 and 35,511.84 is: 48,919.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,980.16 : 67,472.64 = 35,511.84 : x
  2. Step 2: Convert to fraction form
    48,980.16/67,472.64 = 35,511.84/x
  3. Step 3: Cross multiply
    48,980.16x = 67,472.64 × 35,511.84
  4. Step 4: Simplify right side
    48,980.16x = 2,396,077,596.06
  5. Step 5: Solve for x
    x = 2,396,077,596.06/48,980.16
  6. Step 6: Final answer
    x = 48,919.35

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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.