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Finding the Fourth Proportional to 6,998.48, 10,512.30 and 5,904.98

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Solution

The fourth proportional to 6,998.48, 10,512.30 and 5,904.98 is: 8,869.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,998.48 : 10,512.30 = 5,904.98 : x
  2. Step 2: Convert to fraction form
    6,998.48/10,512.30 = 5,904.98/x
  3. Step 3: Cross multiply
    6,998.48x = 10,512.30 × 5,904.98
  4. Step 4: Simplify right side
    6,998.48x = 62,074,921.25
  5. Step 5: Solve for x
    x = 62,074,921.25/6,998.48
  6. Step 6: Final answer
    x = 8,869.77

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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.