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Finding the Fourth Proportional to 69,507.08, 95,974.98 and 64,199.96

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Solution

The fourth proportional to 69,507.08, 95,974.98 and 64,199.96 is: 88,646.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,507.08 : 95,974.98 = 64,199.96 : x
  2. Step 2: Convert to fraction form
    69,507.08/95,974.98 = 64,199.96/x
  3. Step 3: Cross multiply
    69,507.08x = 95,974.98 × 64,199.96
  4. Step 4: Simplify right side
    69,507.08x = 6,161,589,877.00
  5. Step 5: Solve for x
    x = 6,161,589,877.00/69,507.08
  6. Step 6: Final answer
    x = 88,646.94

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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.