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Finding the Fourth Proportional to 64,065.74, 88,410.39 and 35,771.42

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Solution

The fourth proportional to 64,065.74, 88,410.39 and 35,771.42 is: 49,364.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,065.74 : 88,410.39 = 35,771.42 : x
  2. Step 2: Convert to fraction form
    64,065.74/88,410.39 = 35,771.42/x
  3. Step 3: Cross multiply
    64,065.74x = 88,410.39 × 35,771.42
  4. Step 4: Simplify right side
    64,065.74x = 3,162,565,279.94
  5. Step 5: Solve for x
    x = 3,162,565,279.94/64,065.74
  6. Step 6: Final answer
    x = 49,364.38

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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.