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Finding the Fourth Proportional to 9,914.19, 14,866.58 and 5,755.49

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Solution

The fourth proportional to 9,914.19, 14,866.58 and 5,755.49 is: 8,630.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,914.19 : 14,866.58 = 5,755.49 : x
  2. Step 2: Convert to fraction form
    9,914.19/14,866.58 = 5,755.49/x
  3. Step 3: Cross multiply
    9,914.19x = 14,866.58 × 5,755.49
  4. Step 4: Simplify right side
    9,914.19x = 85,564,452.52
  5. Step 5: Solve for x
    x = 85,564,452.52/9,914.19
  6. Step 6: Final answer
    x = 8,630.50

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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.