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Finding the Fourth Proportional to 64,646.76, 96,762.38 and 34,585.99

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Solution

The fourth proportional to 64,646.76, 96,762.38 and 34,585.99 is: 51,767.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,646.76 : 96,762.38 = 34,585.99 : x
  2. Step 2: Convert to fraction form
    64,646.76/96,762.38 = 34,585.99/x
  3. Step 3: Cross multiply
    64,646.76x = 96,762.38 × 34,585.99
  4. Step 4: Simplify right side
    64,646.76x = 3,346,622,707.06
  5. Step 5: Solve for x
    x = 3,346,622,707.06/64,646.76
  6. Step 6: Final answer
    x = 51,767.83

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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.