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Finding the Fourth Proportional to 74,762.72, 112,165.72 and 22,173.46

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Solution

The fourth proportional to 74,762.72, 112,165.72 and 22,173.46 is: 33,266.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,762.72 : 112,165.72 = 22,173.46 : x
  2. Step 2: Convert to fraction form
    74,762.72/112,165.72 = 22,173.46/x
  3. Step 3: Cross multiply
    74,762.72x = 112,165.72 × 22,173.46
  4. Step 4: Simplify right side
    74,762.72x = 2,487,102,105.79
  5. Step 5: Solve for x
    x = 2,487,102,105.79/74,762.72
  6. Step 6: Final answer
    x = 33,266.61

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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.