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Finding the Fourth Proportional to 10,672.91, 16,009.36 and 3,653.01

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Solution

The fourth proportional to 10,672.91, 16,009.36 and 3,653.01 is: 5,479.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,672.91 : 16,009.36 = 3,653.01 : x
  2. Step 2: Convert to fraction form
    10,672.91/16,009.36 = 3,653.01/x
  3. Step 3: Cross multiply
    10,672.91x = 16,009.36 × 3,653.01
  4. Step 4: Simplify right side
    10,672.91x = 58,482,343.04
  5. Step 5: Solve for x
    x = 58,482,343.04/10,672.91
  6. Step 6: Final answer
    x = 5,479.52

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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.