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Finding the Fourth Proportional to 64,405.57, 88,871.49 and 37,541.36

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Solution

The fourth proportional to 64,405.57, 88,871.49 and 37,541.36 is: 51,802.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,405.57 : 88,871.49 = 37,541.36 : x
  2. Step 2: Convert to fraction form
    64,405.57/88,871.49 = 37,541.36/x
  3. Step 3: Cross multiply
    64,405.57x = 88,871.49 × 37,541.36
  4. Step 4: Simplify right side
    64,405.57x = 3,336,356,599.83
  5. Step 5: Solve for x
    x = 3,336,356,599.83/64,405.57
  6. Step 6: Final answer
    x = 51,802.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.