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Finding the Fourth Proportional to 66,314.56, 99,471.84 and 26,864.32

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Solution

The fourth proportional to 66,314.56, 99,471.84 and 26,864.32 is: 40,296.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,314.56 : 99,471.84 = 26,864.32 : x
  2. Step 2: Convert to fraction form
    66,314.56/99,471.84 = 26,864.32/x
  3. Step 3: Cross multiply
    66,314.56x = 99,471.84 × 26,864.32
  4. Step 4: Simplify right side
    66,314.56x = 2,672,243,340.75
  5. Step 5: Solve for x
    x = 2,672,243,340.75/66,314.56
  6. Step 6: Final answer
    x = 40,296.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.