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Finding the Fourth Proportional to 8,907.84, 12,292.97 and 5,323.59

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Solution

The fourth proportional to 8,907.84, 12,292.97 and 5,323.59 is: 7,346.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,907.84 : 12,292.97 = 5,323.59 : x
  2. Step 2: Convert to fraction form
    8,907.84/12,292.97 = 5,323.59/x
  3. Step 3: Cross multiply
    8,907.84x = 12,292.97 × 5,323.59
  4. Step 4: Simplify right side
    8,907.84x = 65,442,705.54
  5. Step 5: Solve for x
    x = 65,442,705.54/8,907.84
  6. Step 6: Final answer
    x = 7,346.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.