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Finding the Fourth Proportional to 8,894.98, 12,270.99 and 5,752.18

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Solution

The fourth proportional to 8,894.98, 12,270.99 and 5,752.18 is: 7,935.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,894.98 : 12,270.99 = 5,752.18 : x
  2. Step 2: Convert to fraction form
    8,894.98/12,270.99 = 5,752.18/x
  3. Step 3: Cross multiply
    8,894.98x = 12,270.99 × 5,752.18
  4. Step 4: Simplify right side
    8,894.98x = 70,584,943.26
  5. Step 5: Solve for x
    x = 70,584,943.26/8,894.98
  6. Step 6: Final answer
    x = 7,935.37

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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.