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Finding the Fourth Proportional to 37,551.70, 51,827.04 and 21,418.93

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Solution

The fourth proportional to 37,551.70, 51,827.04 and 21,418.93 is: 29,561.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,551.70 : 51,827.04 = 21,418.93 : x
  2. Step 2: Convert to fraction form
    37,551.70/51,827.04 = 21,418.93/x
  3. Step 3: Cross multiply
    37,551.70x = 51,827.04 × 21,418.93
  4. Step 4: Simplify right side
    37,551.70x = 1,110,079,806.65
  5. Step 5: Solve for x
    x = 1,110,079,806.65/37,551.70
  6. Step 6: Final answer
    x = 29,561.37

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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.