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Finding the Fourth Proportional to 67,662.10, 101,493.15 and 65,718.10

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Solution

The fourth proportional to 67,662.10, 101,493.15 and 65,718.10 is: 98,577.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,662.10 : 101,493.15 = 65,718.10 : x
  2. Step 2: Convert to fraction form
    67,662.10/101,493.15 = 65,718.10/x
  3. Step 3: Cross multiply
    67,662.10x = 101,493.15 × 65,718.10
  4. Step 4: Simplify right side
    67,662.10x = 6,669,936,981.02
  5. Step 5: Solve for x
    x = 6,669,936,981.02/67,662.10
  6. Step 6: Final answer
    x = 98,577.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.