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Finding the Fourth Proportional to 68,807.56, 94,955.52 and 38,599.60

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Solution

The fourth proportional to 68,807.56, 94,955.52 and 38,599.60 is: 53,268.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,807.56 : 94,955.52 = 38,599.60 : x
  2. Step 2: Convert to fraction form
    68,807.56/94,955.52 = 38,599.60/x
  3. Step 3: Cross multiply
    68,807.56x = 94,955.52 × 38,599.60
  4. Step 4: Simplify right side
    68,807.56x = 3,665,245,089.79
  5. Step 5: Solve for x
    x = 3,665,245,089.79/68,807.56
  6. Step 6: Final answer
    x = 53,268.06

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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.