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Finding the Fourth Proportional to 7,008.69, 10,513.05 and 2,849.76

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Solution

The fourth proportional to 7,008.69, 10,513.05 and 2,849.76 is: 4,274.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,008.69 : 10,513.05 = 2,849.76 : x
  2. Step 2: Convert to fraction form
    7,008.69/10,513.05 = 2,849.76/x
  3. Step 3: Cross multiply
    7,008.69x = 10,513.05 × 2,849.76
  4. Step 4: Simplify right side
    7,008.69x = 29,959,669.37
  5. Step 5: Solve for x
    x = 29,959,669.37/7,008.69
  6. Step 6: Final answer
    x = 4,274.65

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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.