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Finding the Fourth Proportional to 8,762.23, 13,141.95 and 2,520.82

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Solution

The fourth proportional to 8,762.23, 13,141.95 and 2,520.82 is: 3,780.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,762.23 : 13,141.95 = 2,520.82 : x
  2. Step 2: Convert to fraction form
    8,762.23/13,141.95 = 2,520.82/x
  3. Step 3: Cross multiply
    8,762.23x = 13,141.95 × 2,520.82
  4. Step 4: Simplify right side
    8,762.23x = 33,128,490.40
  5. Step 5: Solve for x
    x = 33,128,490.40/8,762.23
  6. Step 6: Final answer
    x = 3,780.83

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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.