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Finding the Fourth Proportional to 64,901.96, 89,568.88 and 36,607.04

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Solution

The fourth proportional to 64,901.96, 89,568.88 and 36,607.04 is: 50,520.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,901.96 : 89,568.88 = 36,607.04 : x
  2. Step 2: Convert to fraction form
    64,901.96/89,568.88 = 36,607.04/x
  3. Step 3: Cross multiply
    64,901.96x = 89,568.88 × 36,607.04
  4. Step 4: Simplify right side
    64,901.96x = 3,278,851,033.55
  5. Step 5: Solve for x
    x = 3,278,851,033.55/64,901.96
  6. Step 6: Final answer
    x = 50,520.07

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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.