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Finding the Fourth Proportional to 10,672.04, 16,011.30 and 4,434.93

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Solution

The fourth proportional to 10,672.04, 16,011.30 and 4,434.93 is: 6,653.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,672.04 : 16,011.30 = 4,434.93 : x
  2. Step 2: Convert to fraction form
    10,672.04/16,011.30 = 4,434.93/x
  3. Step 3: Cross multiply
    10,672.04x = 16,011.30 × 4,434.93
  4. Step 4: Simplify right side
    10,672.04x = 71,008,994.71
  5. Step 5: Solve for x
    x = 71,008,994.71/10,672.04
  6. Step 6: Final answer
    x = 6,653.74

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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.