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Finding the Fourth Proportional to 6,274.76, 8,658.60 and 3,442.01

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Solution

The fourth proportional to 6,274.76, 8,658.60 and 3,442.01 is: 4,749.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,274.76 : 8,658.60 = 3,442.01 : x
  2. Step 2: Convert to fraction form
    6,274.76/8,658.60 = 3,442.01/x
  3. Step 3: Cross multiply
    6,274.76x = 8,658.60 × 3,442.01
  4. Step 4: Simplify right side
    6,274.76x = 29,802,987.79
  5. Step 5: Solve for x
    x = 29,802,987.79/6,274.76
  6. Step 6: Final answer
    x = 4,749.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.