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Finding the Fourth Proportional to 36,574.91, 50,472.71 and 20,442.53

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Solution

The fourth proportional to 36,574.91, 50,472.71 and 20,442.53 is: 28,210.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,574.91 : 50,472.71 = 20,442.53 : x
  2. Step 2: Convert to fraction form
    36,574.91/50,472.71 = 20,442.53/x
  3. Step 3: Cross multiply
    36,574.91x = 50,472.71 × 20,442.53
  4. Step 4: Simplify right side
    36,574.91x = 1,031,789,687.10
  5. Step 5: Solve for x
    x = 1,031,789,687.10/36,574.91
  6. Step 6: Final answer
    x = 28,210.31

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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.