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Finding the Fourth Proportional to 67,808.91, 101,699.47 and 25,674.46

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Solution

The fourth proportional to 67,808.91, 101,699.47 and 25,674.46 is: 38,506.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,808.91 : 101,699.47 = 25,674.46 : x
  2. Step 2: Convert to fraction form
    67,808.91/101,699.47 = 25,674.46/x
  3. Step 3: Cross multiply
    67,808.91x = 101,699.47 × 25,674.46
  4. Step 4: Simplify right side
    67,808.91x = 2,611,078,337.67
  5. Step 5: Solve for x
    x = 2,611,078,337.67/67,808.91
  6. Step 6: Final answer
    x = 38,506.42

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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.