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Finding the Fourth Proportional to 56,884.79, 85,258.01 and 40,249.62

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Solution

The fourth proportional to 56,884.79, 85,258.01 and 40,249.62 is: 60,325.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,884.79 : 85,258.01 = 40,249.62 : x
  2. Step 2: Convert to fraction form
    56,884.79/85,258.01 = 40,249.62/x
  3. Step 3: Cross multiply
    56,884.79x = 85,258.01 × 40,249.62
  4. Step 4: Simplify right side
    56,884.79x = 3,431,602,605.08
  5. Step 5: Solve for x
    x = 3,431,602,605.08/56,884.79
  6. Step 6: Final answer
    x = 60,325.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.