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Finding the Fourth Proportional to 69,057.52, 95,068.98 and 65,883.64

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Solution

The fourth proportional to 69,057.52, 95,068.98 and 65,883.64 is: 90,699.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,057.52 : 95,068.98 = 65,883.64 : x
  2. Step 2: Convert to fraction form
    69,057.52/95,068.98 = 65,883.64/x
  3. Step 3: Cross multiply
    69,057.52x = 95,068.98 × 65,883.64
  4. Step 4: Simplify right side
    69,057.52x = 6,263,490,453.49
  5. Step 5: Solve for x
    x = 6,263,490,453.49/69,057.52
  6. Step 6: Final answer
    x = 90,699.61

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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.