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Finding the Fourth Proportional to 64,904.88, 89,568.74 and 35,096.88

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Solution

The fourth proportional to 64,904.88, 89,568.74 and 35,096.88 is: 48,433.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,904.88 : 89,568.74 = 35,096.88 : x
  2. Step 2: Convert to fraction form
    64,904.88/89,568.74 = 35,096.88/x
  3. Step 3: Cross multiply
    64,904.88x = 89,568.74 × 35,096.88
  4. Step 4: Simplify right side
    64,904.88x = 3,143,583,319.53
  5. Step 5: Solve for x
    x = 3,143,583,319.53/64,904.88
  6. Step 6: Final answer
    x = 48,433.70

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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.