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Finding the Fourth Proportional to 68,046.64, 93,899.02 and 37,830.13

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Solution

The fourth proportional to 68,046.64, 93,899.02 and 37,830.13 is: 52,202.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,046.64 : 93,899.02 = 37,830.13 : x
  2. Step 2: Convert to fraction form
    68,046.64/93,899.02 = 37,830.13/x
  3. Step 3: Cross multiply
    68,046.64x = 93,899.02 × 37,830.13
  4. Step 4: Simplify right side
    68,046.64x = 3,552,212,133.47
  5. Step 5: Solve for x
    x = 3,552,212,133.47/68,046.64
  6. Step 6: Final answer
    x = 52,202.61

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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.