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Finding the Fourth Proportional to 68,068.79, 93,934.99 and 37,853.45

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Solution

The fourth proportional to 68,068.79, 93,934.99 and 37,853.45 is: 52,237.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,068.79 : 93,934.99 = 37,853.45 : x
  2. Step 2: Convert to fraction form
    68,068.79/93,934.99 = 37,853.45/x
  3. Step 3: Cross multiply
    68,068.79x = 93,934.99 × 37,853.45
  4. Step 4: Simplify right side
    68,068.79x = 3,555,763,377.11
  5. Step 5: Solve for x
    x = 3,555,763,377.11/68,068.79
  6. Step 6: Final answer
    x = 52,237.79

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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.