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Finding the Fourth Proportional to 64,145.25, 88,522.47 and 35,850.87

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Solution

The fourth proportional to 64,145.25, 88,522.47 and 35,850.87 is: 49,475.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,145.25 : 88,522.47 = 35,850.87 : x
  2. Step 2: Convert to fraction form
    64,145.25/88,522.47 = 35,850.87/x
  3. Step 3: Cross multiply
    64,145.25x = 88,522.47 × 35,850.87
  4. Step 4: Simplify right side
    64,145.25x = 3,173,607,564.05
  5. Step 5: Solve for x
    x = 3,173,607,564.05/64,145.25
  6. Step 6: Final answer
    x = 49,475.33

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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.