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Finding the Fourth Proportional to 67,495.68, 93,143.47 and 36,868.79

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Solution

The fourth proportional to 67,495.68, 93,143.47 and 36,868.79 is: 50,878.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,495.68 : 93,143.47 = 36,868.79 : x
  2. Step 2: Convert to fraction form
    67,495.68/93,143.47 = 36,868.79/x
  3. Step 3: Cross multiply
    67,495.68x = 93,143.47 × 36,868.79
  4. Step 4: Simplify right side
    67,495.68x = 3,434,087,035.30
  5. Step 5: Solve for x
    x = 3,434,087,035.30/67,495.68
  6. Step 6: Final answer
    x = 50,878.62

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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.