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Finding the Fourth Proportional to 41,168.80, 56,823.80 and 28,424.08

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Solution

The fourth proportional to 41,168.80, 56,823.80 and 28,424.08 is: 39,232.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,168.80 : 56,823.80 = 28,424.08 : x
  2. Step 2: Convert to fraction form
    41,168.80/56,823.80 = 28,424.08/x
  3. Step 3: Cross multiply
    41,168.80x = 56,823.80 × 28,424.08
  4. Step 4: Simplify right side
    41,168.80x = 1,615,164,237.10
  5. Step 5: Solve for x
    x = 1,615,164,237.10/41,168.80
  6. Step 6: Final answer
    x = 39,232.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.