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Finding the Fourth Proportional to 37,605.51, 51,882.75 and 21,461.22

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Solution

The fourth proportional to 37,605.51, 51,882.75 and 21,461.22 is: 29,609.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,605.51 : 51,882.75 = 21,461.22 : x
  2. Step 2: Convert to fraction form
    37,605.51/51,882.75 = 21,461.22/x
  3. Step 3: Cross multiply
    37,605.51x = 51,882.75 × 21,461.22
  4. Step 4: Simplify right side
    37,605.51x = 1,113,467,111.96
  5. Step 5: Solve for x
    x = 1,113,467,111.96/37,605.51
  6. Step 6: Final answer
    x = 29,609.15

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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.