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Finding the Fourth Proportional to 7,351.92, 11,009.88 and 4,746.96

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Solution

The fourth proportional to 7,351.92, 11,009.88 and 4,746.96 is: 7,108.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,351.92 : 11,009.88 = 4,746.96 : x
  2. Step 2: Convert to fraction form
    7,351.92/11,009.88 = 4,746.96/x
  3. Step 3: Cross multiply
    7,351.92x = 11,009.88 × 4,746.96
  4. Step 4: Simplify right side
    7,351.92x = 52,263,459.96
  5. Step 5: Solve for x
    x = 52,263,459.96/7,351.92
  6. Step 6: Final answer
    x = 7,108.82

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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.