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Finding the Fourth Proportional to 9,104.58, 12,557.88 and 8,799.84

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Solution

The fourth proportional to 9,104.58, 12,557.88 and 8,799.84 is: 12,137.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,104.58 : 12,557.88 = 8,799.84 : x
  2. Step 2: Convert to fraction form
    9,104.58/12,557.88 = 8,799.84/x
  3. Step 3: Cross multiply
    9,104.58x = 12,557.88 × 8,799.84
  4. Step 4: Simplify right side
    9,104.58x = 110,507,334.74
  5. Step 5: Solve for x
    x = 110,507,334.74/9,104.58
  6. Step 6: Final answer
    x = 12,137.55

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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.