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Finding the Fourth Proportional to 64,775.66, 89,389.51 and 36,096.53

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Solution

The fourth proportional to 64,775.66, 89,389.51 and 36,096.53 is: 49,812.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,775.66 : 89,389.51 = 36,096.53 : x
  2. Step 2: Convert to fraction form
    64,775.66/89,389.51 = 36,096.53/x
  3. Step 3: Cross multiply
    64,775.66x = 89,389.51 × 36,096.53
  4. Step 4: Simplify right side
    64,775.66x = 3,226,651,262.63
  5. Step 5: Solve for x
    x = 3,226,651,262.63/64,775.66
  6. Step 6: Final answer
    x = 49,812.71

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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.