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Finding the Fourth Proportional to 7,090.74, 10,610.14 and 6,710.54

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Solution

The fourth proportional to 7,090.74, 10,610.14 and 6,710.54 is: 10,041.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,090.74 : 10,610.14 = 6,710.54 : x
  2. Step 2: Convert to fraction form
    7,090.74/10,610.14 = 6,710.54/x
  3. Step 3: Cross multiply
    7,090.74x = 10,610.14 × 6,710.54
  4. Step 4: Simplify right side
    7,090.74x = 71,199,768.88
  5. Step 5: Solve for x
    x = 71,199,768.88/7,090.74
  6. Step 6: Final answer
    x = 10,041.23

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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.