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Finding the Fourth Proportional to 9,951.53, 14,915.28 and 4,398.58

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Solution

The fourth proportional to 9,951.53, 14,915.28 and 4,398.58 is: 6,592.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,951.53 : 14,915.28 = 4,398.58 : x
  2. Step 2: Convert to fraction form
    9,951.53/14,915.28 = 4,398.58/x
  3. Step 3: Cross multiply
    9,951.53x = 14,915.28 × 4,398.58
  4. Step 4: Simplify right side
    9,951.53x = 65,606,015.01
  5. Step 5: Solve for x
    x = 65,606,015.01/9,951.53
  6. Step 6: Final answer
    x = 6,592.55

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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.