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Finding the Fourth Proportional to 69,175.92, 95,468.22 and 40,887.03

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Solution

The fourth proportional to 69,175.92, 95,468.22 and 40,887.03 is: 56,427.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,175.92 : 95,468.22 = 40,887.03 : x
  2. Step 2: Convert to fraction form
    69,175.92/95,468.22 = 40,887.03/x
  3. Step 3: Cross multiply
    69,175.92x = 95,468.22 × 40,887.03
  4. Step 4: Simplify right side
    69,175.92x = 3,903,411,975.19
  5. Step 5: Solve for x
    x = 3,903,411,975.19/69,175.92
  6. Step 6: Final answer
    x = 56,427.32

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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.