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Finding the Fourth Proportional to 7,904.02, 10,906.78 and 4,367.02

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Solution

The fourth proportional to 7,904.02, 10,906.78 and 4,367.02 is: 6,026.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,904.02 : 10,906.78 = 4,367.02 : x
  2. Step 2: Convert to fraction form
    7,904.02/10,906.78 = 4,367.02/x
  3. Step 3: Cross multiply
    7,904.02x = 10,906.78 × 4,367.02
  4. Step 4: Simplify right side
    7,904.02x = 47,630,126.40
  5. Step 5: Solve for x
    x = 47,630,126.40/7,904.02
  6. Step 6: Final answer
    x = 6,026.06

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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.