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Finding the Fourth Proportional to 9,880.33, 14,816.17 and 2,953.21

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Solution

The fourth proportional to 9,880.33, 14,816.17 and 2,953.21 is: 4,428.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,880.33 : 14,816.17 = 2,953.21 : x
  2. Step 2: Convert to fraction form
    9,880.33/14,816.17 = 2,953.21/x
  3. Step 3: Cross multiply
    9,880.33x = 14,816.17 × 2,953.21
  4. Step 4: Simplify right side
    9,880.33x = 43,755,261.41
  5. Step 5: Solve for x
    x = 43,755,261.41/9,880.33
  6. Step 6: Final answer
    x = 4,428.52

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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.