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Finding the Fourth Proportional to 64,569.43, 96,673.71 and 34,880.91

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Solution

The fourth proportional to 64,569.43, 96,673.71 and 34,880.91 is: 52,223.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,569.43 : 96,673.71 = 34,880.91 : x
  2. Step 2: Convert to fraction form
    64,569.43/96,673.71 = 34,880.91/x
  3. Step 3: Cross multiply
    64,569.43x = 96,673.71 × 34,880.91
  4. Step 4: Simplify right side
    64,569.43x = 3,372,066,977.88
  5. Step 5: Solve for x
    x = 3,372,066,977.88/64,569.43
  6. Step 6: Final answer
    x = 52,223.89

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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.