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Finding the Fourth Proportional to 57,347.27, 86,020.91 and 17,907.77

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Solution

The fourth proportional to 57,347.27, 86,020.91 and 17,907.77 is: 26,861.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,347.27 : 86,020.91 = 17,907.77 : x
  2. Step 2: Convert to fraction form
    57,347.27/86,020.91 = 17,907.77/x
  3. Step 3: Cross multiply
    57,347.27x = 86,020.91 × 17,907.77
  4. Step 4: Simplify right side
    57,347.27x = 1,540,442,151.83
  5. Step 5: Solve for x
    x = 1,540,442,151.83/57,347.27
  6. Step 6: Final answer
    x = 26,861.65

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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.