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Finding the Fourth Proportional to 9,915.98, 14,873.19 and 3,673.05

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Solution

The fourth proportional to 9,915.98, 14,873.19 and 3,673.05 is: 5,509.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,915.98 : 14,873.19 = 3,673.05 : x
  2. Step 2: Convert to fraction form
    9,915.98/14,873.19 = 3,673.05/x
  3. Step 3: Cross multiply
    9,915.98x = 14,873.19 × 3,673.05
  4. Step 4: Simplify right side
    9,915.98x = 54,629,970.53
  5. Step 5: Solve for x
    x = 54,629,970.53/9,915.98
  6. Step 6: Final answer
    x = 5,509.29

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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.