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Finding the Fourth Proportional to 70,009.61, 105,024.94 and 22,608.81

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Solution

The fourth proportional to 70,009.61, 105,024.94 and 22,608.81 is: 33,916.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,009.61 : 105,024.94 = 22,608.81 : x
  2. Step 2: Convert to fraction form
    70,009.61/105,024.94 = 22,608.81/x
  3. Step 3: Cross multiply
    70,009.61x = 105,024.94 × 22,608.81
  4. Step 4: Simplify right side
    70,009.61x = 2,374,488,857.20
  5. Step 5: Solve for x
    x = 2,374,488,857.20/70,009.61
  6. Step 6: Final answer
    x = 33,916.62

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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.