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Finding the Fourth Proportional to 64,491.34, 88,996.80 and 35,809.52

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Solution

The fourth proportional to 64,491.34, 88,996.80 and 35,809.52 is: 49,416.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,491.34 : 88,996.80 = 35,809.52 : x
  2. Step 2: Convert to fraction form
    64,491.34/88,996.80 = 35,809.52/x
  3. Step 3: Cross multiply
    64,491.34x = 88,996.80 × 35,809.52
  4. Step 4: Simplify right side
    64,491.34x = 3,186,932,689.54
  5. Step 5: Solve for x
    x = 3,186,932,689.54/64,491.34
  6. Step 6: Final answer
    x = 49,416.44

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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.