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Finding the Fourth Proportional to 37,974.51, 52,404.98 and 21,207.51

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Solution

The fourth proportional to 37,974.51, 52,404.98 and 21,207.51 is: 29,266.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,974.51 : 52,404.98 = 21,207.51 : x
  2. Step 2: Convert to fraction form
    37,974.51/52,404.98 = 21,207.51/x
  3. Step 3: Cross multiply
    37,974.51x = 52,404.98 × 21,207.51
  4. Step 4: Simplify right side
    37,974.51x = 1,111,379,031.36
  5. Step 5: Solve for x
    x = 1,111,379,031.36/37,974.51
  6. Step 6: Final answer
    x = 29,266.45

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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.