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Finding the Fourth Proportional to 68,588.79, 94,648.71 and 38,368.27

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Solution

The fourth proportional to 68,588.79, 94,648.71 and 38,368.27 is: 52,946.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,588.79 : 94,648.71 = 38,368.27 : x
  2. Step 2: Convert to fraction form
    68,588.79/94,648.71 = 38,368.27/x
  3. Step 3: Cross multiply
    68,588.79x = 94,648.71 × 38,368.27
  4. Step 4: Simplify right side
    68,588.79x = 3,631,507,260.43
  5. Step 5: Solve for x
    x = 3,631,507,260.43/68,588.79
  6. Step 6: Final answer
    x = 52,946.08

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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.