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Finding the Fourth Proportional to 58,412.12, 80,615.07 and 35,766.38

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Solution

The fourth proportional to 58,412.12, 80,615.07 and 35,766.38 is: 49,361.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,412.12 : 80,615.07 = 35,766.38 : x
  2. Step 2: Convert to fraction form
    58,412.12/80,615.07 = 35,766.38/x
  3. Step 3: Cross multiply
    58,412.12x = 80,615.07 × 35,766.38
  4. Step 4: Simplify right side
    58,412.12x = 2,883,309,227.35
  5. Step 5: Solve for x
    x = 2,883,309,227.35/58,412.12
  6. Step 6: Final answer
    x = 49,361.49

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Double scale
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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.