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Finding the Fourth Proportional to 9,103.76, 13,655.64 and 2,529.95

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Solution

The fourth proportional to 9,103.76, 13,655.64 and 2,529.95 is: 3,794.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,103.76 : 13,655.64 = 2,529.95 : x
  2. Step 2: Convert to fraction form
    9,103.76/13,655.64 = 2,529.95/x
  3. Step 3: Cross multiply
    9,103.76x = 13,655.64 × 2,529.95
  4. Step 4: Simplify right side
    9,103.76x = 34,548,086.42
  5. Step 5: Solve for x
    x = 34,548,086.42/9,103.76
  6. Step 6: Final answer
    x = 3,794.93

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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.