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Finding the Fourth Proportional to 7,000.76, 10,499.70 and 3,301.40

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Solution

The fourth proportional to 7,000.76, 10,499.70 and 3,301.40 is: 4,951.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,000.76 : 10,499.70 = 3,301.40 : x
  2. Step 2: Convert to fraction form
    7,000.76/10,499.70 = 3,301.40/x
  3. Step 3: Cross multiply
    7,000.76x = 10,499.70 × 3,301.40
  4. Step 4: Simplify right side
    7,000.76x = 34,663,709.58
  5. Step 5: Solve for x
    x = 34,663,709.58/7,000.76
  6. Step 6: Final answer
    x = 4,951.42

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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.