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Finding the Fourth Proportional to 8,894.99, 13,313.49 and 6,554.06

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Solution

The fourth proportional to 8,894.99, 13,313.49 and 6,554.06 is: 9,809.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,894.99 : 13,313.49 = 6,554.06 : x
  2. Step 2: Convert to fraction form
    8,894.99/13,313.49 = 6,554.06/x
  3. Step 3: Cross multiply
    8,894.99x = 13,313.49 × 6,554.06
  4. Step 4: Simplify right side
    8,894.99x = 87,257,345.70
  5. Step 5: Solve for x
    x = 87,257,345.70/8,894.99
  6. Step 6: Final answer
    x = 9,809.72

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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.