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Finding the Fourth Proportional to 7,194.95, 9,930.56 and 4,835.72

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Solution

The fourth proportional to 7,194.95, 9,930.56 and 4,835.72 is: 6,674.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,194.95 : 9,930.56 = 4,835.72 : x
  2. Step 2: Convert to fraction form
    7,194.95/9,930.56 = 4,835.72/x
  3. Step 3: Cross multiply
    7,194.95x = 9,930.56 × 4,835.72
  4. Step 4: Simplify right side
    7,194.95x = 48,021,383.42
  5. Step 5: Solve for x
    x = 48,021,383.42/7,194.95
  6. Step 6: Final answer
    x = 6,674.32

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Similar ratio
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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.