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Finding the Fourth Proportional to 11,304.87, 15,597.54 and 8,907.41

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Solution

The fourth proportional to 11,304.87, 15,597.54 and 8,907.41 is: 12,289.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,304.87 : 15,597.54 = 8,907.41 : x
  2. Step 2: Convert to fraction form
    11,304.87/15,597.54 = 8,907.41/x
  3. Step 3: Cross multiply
    11,304.87x = 15,597.54 × 8,907.41
  4. Step 4: Simplify right side
    11,304.87x = 138,933,588.04
  5. Step 5: Solve for x
    x = 138,933,588.04/11,304.87
  6. Step 6: Final answer
    x = 12,289.72

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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.