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Finding the Fourth Proportional to 67,436.57, 93,048.57 and 38,750.69

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Solution

The fourth proportional to 67,436.57, 93,048.57 and 38,750.69 is: 53,467.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,436.57 : 93,048.57 = 38,750.69 : x
  2. Step 2: Convert to fraction form
    67,436.57/93,048.57 = 38,750.69/x
  3. Step 3: Cross multiply
    67,436.57x = 93,048.57 × 38,750.69
  4. Step 4: Simplify right side
    67,436.57x = 3,605,695,942.08
  5. Step 5: Solve for x
    x = 3,605,695,942.08/67,436.57
  6. Step 6: Final answer
    x = 53,467.96

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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.