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Finding the Fourth Proportional to 8,898.36, 13,347.76 and 6,822.12

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Solution

The fourth proportional to 8,898.36, 13,347.76 and 6,822.12 is: 10,233.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,898.36 : 13,347.76 = 6,822.12 : x
  2. Step 2: Convert to fraction form
    8,898.36/13,347.76 = 6,822.12/x
  3. Step 3: Cross multiply
    8,898.36x = 13,347.76 × 6,822.12
  4. Step 4: Simplify right side
    8,898.36x = 91,060,020.45
  5. Step 5: Solve for x
    x = 91,060,020.45/8,898.36
  6. Step 6: Final answer
    x = 10,233.35

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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.