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Finding the Fourth Proportional to 60,606.88, 90,915.49 and 18,496.42

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Solution

The fourth proportional to 60,606.88, 90,915.49 and 18,496.42 is: 27,746.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,606.88 : 90,915.49 = 18,496.42 : x
  2. Step 2: Convert to fraction form
    60,606.88/90,915.49 = 18,496.42/x
  3. Step 3: Cross multiply
    60,606.88x = 90,915.49 × 18,496.42
  4. Step 4: Simplify right side
    60,606.88x = 1,681,611,087.55
  5. Step 5: Solve for x
    x = 1,681,611,087.55/60,606.88
  6. Step 6: Final answer
    x = 27,746.21

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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.