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Finding the Fourth Proportional to 68,000.92, 93,812.16 and 42,462.94

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Solution

The fourth proportional to 68,000.92, 93,812.16 and 42,462.94 is: 58,580.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,000.92 : 93,812.16 = 42,462.94 : x
  2. Step 2: Convert to fraction form
    68,000.92/93,812.16 = 42,462.94/x
  3. Step 3: Cross multiply
    68,000.92x = 93,812.16 × 42,462.94
  4. Step 4: Simplify right side
    68,000.92x = 3,983,540,486.56
  5. Step 5: Solve for x
    x = 3,983,540,486.56/68,000.92
  6. Step 6: Final answer
    x = 58,580.69

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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.