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Finding the Fourth Proportional to 6,670.54, 9,985.15 and 3,542.73

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Solution

The fourth proportional to 6,670.54, 9,985.15 and 3,542.73 is: 5,303.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,670.54 : 9,985.15 = 3,542.73 : x
  2. Step 2: Convert to fraction form
    6,670.54/9,985.15 = 3,542.73/x
  3. Step 3: Cross multiply
    6,670.54x = 9,985.15 × 3,542.73
  4. Step 4: Simplify right side
    6,670.54x = 35,374,690.46
  5. Step 5: Solve for x
    x = 35,374,690.46/6,670.54
  6. Step 6: Final answer
    x = 5,303.12

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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.