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Finding the Fourth Proportional to 62,850.96, 94,256.40 and 20,723.20

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Solution

The fourth proportional to 62,850.96, 94,256.40 and 20,723.20 is: 31,078.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,850.96 : 94,256.40 = 20,723.20 : x
  2. Step 2: Convert to fraction form
    62,850.96/94,256.40 = 20,723.20/x
  3. Step 3: Cross multiply
    62,850.96x = 94,256.40 × 20,723.20
  4. Step 4: Simplify right side
    62,850.96x = 1,953,294,228.48
  5. Step 5: Solve for x
    x = 1,953,294,228.48/62,850.96
  6. Step 6: Final answer
    x = 31,078.19

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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.