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Finding the Fourth Proportional to 27,235.29, 40,855.29 and 7,513.85

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Solution

The fourth proportional to 27,235.29, 40,855.29 and 7,513.85 is: 11,271.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,235.29 : 40,855.29 = 7,513.85 : x
  2. Step 2: Convert to fraction form
    27,235.29/40,855.29 = 7,513.85/x
  3. Step 3: Cross multiply
    27,235.29x = 40,855.29 × 7,513.85
  4. Step 4: Simplify right side
    27,235.29x = 306,980,347.75
  5. Step 5: Solve for x
    x = 306,980,347.75/27,235.29
  6. Step 6: Final answer
    x = 11,271.42

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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.