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Finding the Fourth Proportional to 58,414.62, 80,357.10 and 51,212.10

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Solution

The fourth proportional to 58,414.62, 80,357.10 and 51,212.10 is: 70,449.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,414.62 : 80,357.10 = 51,212.10 : x
  2. Step 2: Convert to fraction form
    58,414.62/80,357.10 = 51,212.10/x
  3. Step 3: Cross multiply
    58,414.62x = 80,357.10 × 51,212.10
  4. Step 4: Simplify right side
    58,414.62x = 4,115,255,840.91
  5. Step 5: Solve for x
    x = 4,115,255,840.91/58,414.62
  6. Step 6: Final answer
    x = 70,449.07

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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.