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Finding the Fourth Proportional to 64,596.57, 89,142.71 and 36,302.19

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Solution

The fourth proportional to 64,596.57, 89,142.71 and 36,302.19 is: 50,096.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,596.57 : 89,142.71 = 36,302.19 : x
  2. Step 2: Convert to fraction form
    64,596.57/89,142.71 = 36,302.19/x
  3. Step 3: Cross multiply
    64,596.57x = 89,142.71 × 36,302.19
  4. Step 4: Simplify right side
    64,596.57x = 3,236,075,414.02
  5. Step 5: Solve for x
    x = 3,236,075,414.02/64,596.57
  6. Step 6: Final answer
    x = 50,096.71

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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.