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Finding the Fourth Proportional to 9,943.63, 14,915.11 and 2,548.16

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Solution

The fourth proportional to 9,943.63, 14,915.11 and 2,548.16 is: 3,822.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,943.63 : 14,915.11 = 2,548.16 : x
  2. Step 2: Convert to fraction form
    9,943.63/14,915.11 = 2,548.16/x
  3. Step 3: Cross multiply
    9,943.63x = 14,915.11 × 2,548.16
  4. Step 4: Simplify right side
    9,943.63x = 38,006,086.70
  5. Step 5: Solve for x
    x = 38,006,086.70/9,943.63
  6. Step 6: Final answer
    x = 3,822.15

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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.