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Finding the Fourth Proportional to 7,487.92, 10,333.50 and 4,343.86

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Solution

The fourth proportional to 7,487.92, 10,333.50 and 4,343.86 is: 5,994.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,487.92 : 10,333.50 = 4,343.86 : x
  2. Step 2: Convert to fraction form
    7,487.92/10,333.50 = 4,343.86/x
  3. Step 3: Cross multiply
    7,487.92x = 10,333.50 × 4,343.86
  4. Step 4: Simplify right side
    7,487.92x = 44,887,277.31
  5. Step 5: Solve for x
    x = 44,887,277.31/7,487.92
  6. Step 6: Final answer
    x = 5,994.63

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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.