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Finding the Fourth Proportional to 36,574.80, 50,472.80 and 21,464.76

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Solution

The fourth proportional to 36,574.80, 50,472.80 and 21,464.76 is: 29,621.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,574.80 : 50,472.80 = 21,464.76 : x
  2. Step 2: Convert to fraction form
    36,574.80/50,472.80 = 21,464.76/x
  3. Step 3: Cross multiply
    36,574.80x = 50,472.80 × 21,464.76
  4. Step 4: Simplify right side
    36,574.80x = 1,083,386,538.53
  5. Step 5: Solve for x
    x = 1,083,386,538.53/36,574.80
  6. Step 6: Final answer
    x = 29,621.12

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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.