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Finding the Fourth Proportional to 74,536.71, 111,805.07 and 51,092.07

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Solution

The fourth proportional to 74,536.71, 111,805.07 and 51,092.07 is: 76,638.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,536.71 : 111,805.07 = 51,092.07 : x
  2. Step 2: Convert to fraction form
    74,536.71/111,805.07 = 51,092.07/x
  3. Step 3: Cross multiply
    74,536.71x = 111,805.07 × 51,092.07
  4. Step 4: Simplify right side
    74,536.71x = 5,712,352,207.33
  5. Step 5: Solve for x
    x = 5,712,352,207.33/74,536.71
  6. Step 6: Final answer
    x = 76,638.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.