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Finding the Fourth Proportional to 8,592.71, 12,885.41 and 3,047.45

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Solution

The fourth proportional to 8,592.71, 12,885.41 and 3,047.45 is: 4,569.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,592.71 : 12,885.41 = 3,047.45 : x
  2. Step 2: Convert to fraction form
    8,592.71/12,885.41 = 3,047.45/x
  3. Step 3: Cross multiply
    8,592.71x = 12,885.41 × 3,047.45
  4. Step 4: Simplify right side
    8,592.71x = 39,267,578.28
  5. Step 5: Solve for x
    x = 39,267,578.28/8,592.71
  6. Step 6: Final answer
    x = 4,569.87

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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.