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Finding the Fourth Proportional to 67,900.88, 93,797.70 and 64,579.38

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Solution

The fourth proportional to 67,900.88, 93,797.70 and 64,579.38 is: 89,209.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,900.88 : 93,797.70 = 64,579.38 : x
  2. Step 2: Convert to fraction form
    67,900.88/93,797.70 = 64,579.38/x
  3. Step 3: Cross multiply
    67,900.88x = 93,797.70 × 64,579.38
  4. Step 4: Simplify right side
    67,900.88x = 6,057,396,717.51
  5. Step 5: Solve for x
    x = 6,057,396,717.51/67,900.88
  6. Step 6: Final answer
    x = 89,209.40

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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.