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Finding the Fourth Proportional to 64,221.75, 88,626.06 and 35,934.12

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Solution

The fourth proportional to 64,221.75, 88,626.06 and 35,934.12 is: 49,589.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,221.75 : 88,626.06 = 35,934.12 : x
  2. Step 2: Convert to fraction form
    64,221.75/88,626.06 = 35,934.12/x
  3. Step 3: Cross multiply
    64,221.75x = 88,626.06 × 35,934.12
  4. Step 4: Simplify right side
    64,221.75x = 3,184,699,475.17
  5. Step 5: Solve for x
    x = 3,184,699,475.17/64,221.75
  6. Step 6: Final answer
    x = 49,589.11

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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.