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Finding the Fourth Proportional to 66,877.25, 100,316.25 and 16,957.44

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Solution

The fourth proportional to 66,877.25, 100,316.25 and 16,957.44 is: 25,436.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,877.25 : 100,316.25 = 16,957.44 : x
  2. Step 2: Convert to fraction form
    66,877.25/100,316.25 = 16,957.44/x
  3. Step 3: Cross multiply
    66,877.25x = 100,316.25 × 16,957.44
  4. Step 4: Simplify right side
    66,877.25x = 1,701,106,790.40
  5. Step 5: Solve for x
    x = 1,701,106,790.40/66,877.25
  6. Step 6: Final answer
    x = 25,436.26

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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.