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Finding the Fourth Proportional to 48,900, 67,483.44 and 26,545.44

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Solution

The fourth proportional to 48,900, 67,483.44 and 26,545.44 is: 36,633.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,900 : 67,483.44 = 26,545.44 : x
  2. Step 2: Convert to fraction form
    48,900/67,483.44 = 26,545.44/x
  3. Step 3: Cross multiply
    48,900x = 67,483.44 × 26,545.44
  4. Step 4: Simplify right side
    48,900x = 1,791,377,607.51
  5. Step 5: Solve for x
    x = 1,791,377,607.51/48,900
  6. Step 6: Final answer
    x = 36,633.49

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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.