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Finding the Fourth Proportional to 8,804.30, 13,206.45 and 2,648.30

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Solution

The fourth proportional to 8,804.30, 13,206.45 and 2,648.30 is: 3,972.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,804.30 : 13,206.45 = 2,648.30 : x
  2. Step 2: Convert to fraction form
    8,804.30/13,206.45 = 2,648.30/x
  3. Step 3: Cross multiply
    8,804.30x = 13,206.45 × 2,648.30
  4. Step 4: Simplify right side
    8,804.30x = 34,974,641.54
  5. Step 5: Solve for x
    x = 34,974,641.54/8,804.30
  6. Step 6: Final answer
    x = 3,972.45

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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.