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Finding the Fourth Proportional to 14,915.99, 22,372.79 and 8,672.01

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Solution

The fourth proportional to 14,915.99, 22,372.79 and 8,672.01 is: 13,007.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,915.99 : 22,372.79 = 8,672.01 : x
  2. Step 2: Convert to fraction form
    14,915.99/22,372.79 = 8,672.01/x
  3. Step 3: Cross multiply
    14,915.99x = 22,372.79 × 8,672.01
  4. Step 4: Simplify right side
    14,915.99x = 194,017,015.25
  5. Step 5: Solve for x
    x = 194,017,015.25/14,915.99
  6. Step 6: Final answer
    x = 13,007.32

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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.