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Finding the Fourth Proportional to 48,107.88, 66,387.64 and 26,887.28

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Solution

The fourth proportional to 48,107.88, 66,387.64 and 26,887.28 is: 37,103.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,107.88 : 66,387.64 = 26,887.28 : x
  2. Step 2: Convert to fraction form
    48,107.88/66,387.64 = 26,887.28/x
  3. Step 3: Cross multiply
    48,107.88x = 66,387.64 × 26,887.28
  4. Step 4: Simplify right side
    48,107.88x = 1,784,983,065.22
  5. Step 5: Solve for x
    x = 1,784,983,065.22/48,107.88
  6. Step 6: Final answer
    x = 37,103.76

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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.