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Finding the Fourth Proportional to 64,592.67, 89,138.94 and 35,522.28

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Solution

The fourth proportional to 64,592.67, 89,138.94 and 35,522.28 is: 49,021.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,592.67 : 89,138.94 = 35,522.28 : x
  2. Step 2: Convert to fraction form
    64,592.67/89,138.94 = 35,522.28/x
  3. Step 3: Cross multiply
    64,592.67x = 89,138.94 × 35,522.28
  4. Step 4: Simplify right side
    64,592.67x = 3,166,418,385.58
  5. Step 5: Solve for x
    x = 3,166,418,385.58/64,592.67
  6. Step 6: Final answer
    x = 49,021.33

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1.5x scale

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.