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Finding the Fourth Proportional to 68,654.22, 94,734.51 and 38,437.17

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Solution

The fourth proportional to 68,654.22, 94,734.51 and 38,437.17 is: 53,038.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,654.22 : 94,734.51 = 38,437.17 : x
  2. Step 2: Convert to fraction form
    68,654.22/94,734.51 = 38,437.17/x
  3. Step 3: Cross multiply
    68,654.22x = 94,734.51 × 38,437.17
  4. Step 4: Simplify right side
    68,654.22x = 3,641,326,465.74
  5. Step 5: Solve for x
    x = 3,641,326,465.74/68,654.22
  6. Step 6: Final answer
    x = 53,038.64

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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.