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Finding the Fourth Proportional to 7,293.66, 10,922.95 and 4,164.18

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Solution

The fourth proportional to 7,293.66, 10,922.95 and 4,164.18 is: 6,236.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,293.66 : 10,922.95 = 4,164.18 : x
  2. Step 2: Convert to fraction form
    7,293.66/10,922.95 = 4,164.18/x
  3. Step 3: Cross multiply
    7,293.66x = 10,922.95 × 4,164.18
  4. Step 4: Simplify right side
    7,293.66x = 45,485,127.91
  5. Step 5: Solve for x
    x = 45,485,127.91/7,293.66
  6. Step 6: Final answer
    x = 6,236.26

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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.