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Finding the Fourth Proportional to 67,292.28, 92,863.32 and 39,014.34

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Solution

The fourth proportional to 67,292.28, 92,863.32 and 39,014.34 is: 53,839.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,292.28 : 92,863.32 = 39,014.34 : x
  2. Step 2: Convert to fraction form
    67,292.28/92,863.32 = 39,014.34/x
  3. Step 3: Cross multiply
    67,292.28x = 92,863.32 × 39,014.34
  4. Step 4: Simplify right side
    67,292.28x = 3,623,001,140.01
  5. Step 5: Solve for x
    x = 3,623,001,140.01/67,292.28
  6. Step 6: Final answer
    x = 53,839.77

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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.