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Finding the Fourth Proportional to 4,671.45, 7,000.79 and 2,592.90

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Solution

The fourth proportional to 4,671.45, 7,000.79 and 2,592.90 is: 3,885.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,671.45 : 7,000.79 = 2,592.90 : x
  2. Step 2: Convert to fraction form
    4,671.45/7,000.79 = 2,592.90/x
  3. Step 3: Cross multiply
    4,671.45x = 7,000.79 × 2,592.90
  4. Step 4: Simplify right side
    4,671.45x = 18,152,335.43
  5. Step 5: Solve for x
    x = 18,152,335.43/4,671.45
  6. Step 6: Final answer
    x = 3,885.80

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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.