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Finding the Fourth Proportional to 62,294.88, 93,455.52 and 20,745.12

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Solution

The fourth proportional to 62,294.88, 93,455.52 and 20,745.12 is: 31,122.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,294.88 : 93,455.52 = 20,745.12 : x
  2. Step 2: Convert to fraction form
    62,294.88/93,455.52 = 20,745.12/x
  3. Step 3: Cross multiply
    62,294.88x = 93,455.52 × 20,745.12
  4. Step 4: Simplify right side
    62,294.88x = 1,938,745,977.06
  5. Step 5: Solve for x
    x = 1,938,745,977.06/62,294.88
  6. Step 6: Final answer
    x = 31,122.08

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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.