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Finding the Fourth Proportional to 68,482.79, 94,504.43 and 38,268.35

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Solution

The fourth proportional to 68,482.79, 94,504.43 and 38,268.35 is: 52,809.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,482.79 : 94,504.43 = 38,268.35 : x
  2. Step 2: Convert to fraction form
    68,482.79/94,504.43 = 38,268.35/x
  3. Step 3: Cross multiply
    68,482.79x = 94,504.43 × 38,268.35
  4. Step 4: Simplify right side
    68,482.79x = 3,616,528,648.71
  5. Step 5: Solve for x
    x = 3,616,528,648.71/68,482.79
  6. Step 6: Final answer
    x = 52,809.31

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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.