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Finding the Fourth Proportional to 48,115, 66,398.70 and 26,893.81

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Solution

The fourth proportional to 48,115, 66,398.70 and 26,893.81 is: 37,113.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,115 : 66,398.70 = 26,893.81 : x
  2. Step 2: Convert to fraction form
    48,115/66,398.70 = 26,893.81/x
  3. Step 3: Cross multiply
    48,115x = 66,398.70 × 26,893.81
  4. Step 4: Simplify right side
    48,115x = 1,785,714,022.05
  5. Step 5: Solve for x
    x = 1,785,714,022.05/48,115
  6. Step 6: Final answer
    x = 37,113.46

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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.