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Finding the Fourth Proportional to 68,584.16, 94,648.14 and 38,368.77

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Solution

The fourth proportional to 68,584.16, 94,648.14 and 38,368.77 is: 52,950.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,584.16 : 94,648.14 = 38,368.77 : x
  2. Step 2: Convert to fraction form
    68,584.16/94,648.14 = 38,368.77/x
  3. Step 3: Cross multiply
    68,584.16x = 94,648.14 × 38,368.77
  4. Step 4: Simplify right side
    68,584.16x = 3,631,532,714.59
  5. Step 5: Solve for x
    x = 3,631,532,714.59/68,584.16
  6. Step 6: Final answer
    x = 52,950.02

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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.