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Finding the Fourth Proportional to 8,553.75, 12,830.99 and 2,710.23

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Solution

The fourth proportional to 8,553.75, 12,830.99 and 2,710.23 is: 4,065.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,553.75 : 12,830.99 = 2,710.23 : x
  2. Step 2: Convert to fraction form
    8,553.75/12,830.99 = 2,710.23/x
  3. Step 3: Cross multiply
    8,553.75x = 12,830.99 × 2,710.23
  4. Step 4: Simplify right side
    8,553.75x = 34,774,934.03
  5. Step 5: Solve for x
    x = 34,774,934.03/8,553.75
  6. Step 6: Final answer
    x = 4,065.46

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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.