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Finding the Fourth Proportional to 9,003.71, 13,505.56 and 2,429.89

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Solution

The fourth proportional to 9,003.71, 13,505.56 and 2,429.89 is: 3,644.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,003.71 : 13,505.56 = 2,429.89 : x
  2. Step 2: Convert to fraction form
    9,003.71/13,505.56 = 2,429.89/x
  3. Step 3: Cross multiply
    9,003.71x = 13,505.56 × 2,429.89
  4. Step 4: Simplify right side
    9,003.71x = 32,817,025.19
  5. Step 5: Solve for x
    x = 32,817,025.19/9,003.71
  6. Step 6: Final answer
    x = 3,644.84

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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.