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Finding the Fourth Proportional to 48,407.76, 66,803.57 and 26,899.49

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Solution

The fourth proportional to 48,407.76, 66,803.57 and 26,899.49 is: 37,121.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,407.76 : 66,803.57 = 26,899.49 : x
  2. Step 2: Convert to fraction form
    48,407.76/66,803.57 = 26,899.49/x
  3. Step 3: Cross multiply
    48,407.76x = 66,803.57 × 26,899.49
  4. Step 4: Simplify right side
    48,407.76x = 1,796,981,963.18
  5. Step 5: Solve for x
    x = 1,796,981,963.18/48,407.76
  6. Step 6: Final answer
    x = 37,121.77

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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.