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Finding the Fourth Proportional to 10,446.49, 15,671.20 and 3,051.50

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Solution

The fourth proportional to 10,446.49, 15,671.20 and 3,051.50 is: 4,577.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,446.49 : 15,671.20 = 3,051.50 : x
  2. Step 2: Convert to fraction form
    10,446.49/15,671.20 = 3,051.50/x
  3. Step 3: Cross multiply
    10,446.49x = 15,671.20 × 3,051.50
  4. Step 4: Simplify right side
    10,446.49x = 47,820,666.80
  5. Step 5: Solve for x
    x = 47,820,666.80/10,446.49
  6. Step 6: Final answer
    x = 4,577.68

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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.