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Finding the Fourth Proportional to 68,559.56, 94,612.40 and 38,345.39

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Solution

The fourth proportional to 68,559.56, 94,612.40 and 38,345.39 is: 52,916.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,559.56 : 94,612.40 = 38,345.39 : x
  2. Step 2: Convert to fraction form
    68,559.56/94,612.40 = 38,345.39/x
  3. Step 3: Cross multiply
    68,559.56x = 94,612.40 × 38,345.39
  4. Step 4: Simplify right side
    68,559.56x = 3,627,949,709.23
  5. Step 5: Solve for x
    x = 3,627,949,709.23/68,559.56
  6. Step 6: Final answer
    x = 52,916.76

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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.