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Finding the Fourth Proportional to 66,610.26, 99,915.40 and 17,362.26

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Solution

The fourth proportional to 66,610.26, 99,915.40 and 17,362.26 is: 26,043.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,610.26 : 99,915.40 = 17,362.26 : x
  2. Step 2: Convert to fraction form
    66,610.26/99,915.40 = 17,362.26/x
  3. Step 3: Cross multiply
    66,610.26x = 99,915.40 × 17,362.26
  4. Step 4: Simplify right side
    66,610.26x = 1,734,757,152.80
  5. Step 5: Solve for x
    x = 1,734,757,152.80/66,610.26
  6. Step 6: Final answer
    x = 26,043.39

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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.