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Finding the Fourth Proportional to 35,513.20, 53,269.80 and 22,391.20

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Solution

The fourth proportional to 35,513.20, 53,269.80 and 22,391.20 is: 33,586.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,513.20 : 53,269.80 = 22,391.20 : x
  2. Step 2: Convert to fraction form
    35,513.20/53,269.80 = 22,391.20/x
  3. Step 3: Cross multiply
    35,513.20x = 53,269.80 × 22,391.20
  4. Step 4: Simplify right side
    35,513.20x = 1,192,774,745.76
  5. Step 5: Solve for x
    x = 1,192,774,745.76/35,513.20
  6. Step 6: Final answer
    x = 33,586.80

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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.