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Finding the Fourth Proportional to 7,043.74, 10,564.04 and 2,113.74

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Solution

The fourth proportional to 7,043.74, 10,564.04 and 2,113.74 is: 3,170.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,043.74 : 10,564.04 = 2,113.74 : x
  2. Step 2: Convert to fraction form
    7,043.74/10,564.04 = 2,113.74/x
  3. Step 3: Cross multiply
    7,043.74x = 10,564.04 × 2,113.74
  4. Step 4: Simplify right side
    7,043.74x = 22,329,633.91
  5. Step 5: Solve for x
    x = 22,329,633.91/7,043.74
  6. Step 6: Final answer
    x = 3,170.14

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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.