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Finding the Fourth Proportional to 6,586.25, 9,878.25 and 2,203.70

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Solution

The fourth proportional to 6,586.25, 9,878.25 and 2,203.70 is: 3,305.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,586.25 : 9,878.25 = 2,203.70 : x
  2. Step 2: Convert to fraction form
    6,586.25/9,878.25 = 2,203.70/x
  3. Step 3: Cross multiply
    6,586.25x = 9,878.25 × 2,203.70
  4. Step 4: Simplify right side
    6,586.25x = 21,768,699.53
  5. Step 5: Solve for x
    x = 21,768,699.53/6,586.25
  6. Step 6: Final answer
    x = 3,305.17

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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.