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Finding the Fourth Proportional to 68,049.74, 93,911.76 and 37,838.16

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Solution

The fourth proportional to 68,049.74, 93,911.76 and 37,838.16 is: 52,218.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,049.74 : 93,911.76 = 37,838.16 : x
  2. Step 2: Convert to fraction form
    68,049.74/93,911.76 = 37,838.16/x
  3. Step 3: Cross multiply
    68,049.74x = 93,911.76 × 37,838.16
  4. Step 4: Simplify right side
    68,049.74x = 3,553,448,200.76
  5. Step 5: Solve for x
    x = 3,553,448,200.76/68,049.74
  6. Step 6: Final answer
    x = 52,218.40

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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.