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Finding the Fourth Proportional to 43,340.80, 64,900.22 and 29,995.32

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Solution

The fourth proportional to 43,340.80, 64,900.22 and 29,995.32 is: 44,916.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,340.80 : 64,900.22 = 29,995.32 : x
  2. Step 2: Convert to fraction form
    43,340.80/64,900.22 = 29,995.32/x
  3. Step 3: Cross multiply
    43,340.80x = 64,900.22 × 29,995.32
  4. Step 4: Simplify right side
    43,340.80x = 1,946,702,392.49
  5. Step 5: Solve for x
    x = 1,946,702,392.49/43,340.80
  6. Step 6: Final answer
    x = 44,916.16

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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.