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Finding the Fourth Proportional to 7,149.63, 10,712.59 and 5,059.27

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Solution

The fourth proportional to 7,149.63, 10,712.59 and 5,059.27 is: 7,580.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,149.63 : 10,712.59 = 5,059.27 : x
  2. Step 2: Convert to fraction form
    7,149.63/10,712.59 = 5,059.27/x
  3. Step 3: Cross multiply
    7,149.63x = 10,712.59 × 5,059.27
  4. Step 4: Simplify right side
    7,149.63x = 54,197,885.21
  5. Step 5: Solve for x
    x = 54,197,885.21/7,149.63
  6. Step 6: Final answer
    x = 7,580.52

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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.