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Finding the Fourth Proportional to 56,340.60, 84,510.81 and 22,621.77

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Solution

The fourth proportional to 56,340.60, 84,510.81 and 22,621.77 is: 33,932.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,340.60 : 84,510.81 = 22,621.77 : x
  2. Step 2: Convert to fraction form
    56,340.60/84,510.81 = 22,621.77/x
  3. Step 3: Cross multiply
    56,340.60x = 84,510.81 × 22,621.77
  4. Step 4: Simplify right side
    56,340.60x = 1,911,784,106.33
  5. Step 5: Solve for x
    x = 1,911,784,106.33/56,340.60
  6. Step 6: Final answer
    x = 33,932.62

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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.