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Finding the Fourth Proportional to 64,646.94, 89,213.31 and 36,352.38

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Solution

The fourth proportional to 64,646.94, 89,213.31 and 36,352.38 is: 50,166.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,646.94 : 89,213.31 = 36,352.38 : x
  2. Step 2: Convert to fraction form
    64,646.94/89,213.31 = 36,352.38/x
  3. Step 3: Cross multiply
    64,646.94x = 89,213.31 × 36,352.38
  4. Step 4: Simplify right side
    64,646.94x = 3,243,116,146.18
  5. Step 5: Solve for x
    x = 3,243,116,146.18/64,646.94
  6. Step 6: Final answer
    x = 50,166.58

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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.