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Finding the Fourth Proportional to 64,195.50, 88,590.09 and 35,901.19

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Solution

The fourth proportional to 64,195.50, 88,590.09 and 35,901.19 is: 49,543.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,195.50 : 88,590.09 = 35,901.19 : x
  2. Step 2: Convert to fraction form
    64,195.50/88,590.09 = 35,901.19/x
  3. Step 3: Cross multiply
    64,195.50x = 88,590.09 × 35,901.19
  4. Step 4: Simplify right side
    64,195.50x = 3,180,489,653.21
  5. Step 5: Solve for x
    x = 3,180,489,653.21/64,195.50
  6. Step 6: Final answer
    x = 49,543.81

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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.