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Finding the Fourth Proportional to 62,752, 86,605.44 and 36,256

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Solution

The fourth proportional to 62,752, 86,605.44 and 36,256 is: 50,037.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,752 : 86,605.44 = 36,256 : x
  2. Step 2: Convert to fraction form
    62,752/86,605.44 = 36,256/x
  3. Step 3: Cross multiply
    62,752x = 86,605.44 × 36,256
  4. Step 4: Simplify right side
    62,752x = 3,139,966,832.64
  5. Step 5: Solve for x
    x = 3,139,966,832.64/62,752
  6. Step 6: Final answer
    x = 50,037.72

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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.