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Finding the Fourth Proportional to 17,943.40, 26,915.10 and 16,330.60

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Solution

The fourth proportional to 17,943.40, 26,915.10 and 16,330.60 is: 24,495.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,943.40 : 26,915.10 = 16,330.60 : x
  2. Step 2: Convert to fraction form
    17,943.40/26,915.10 = 16,330.60/x
  3. Step 3: Cross multiply
    17,943.40x = 26,915.10 × 16,330.60
  4. Step 4: Simplify right side
    17,943.40x = 439,539,732.06
  5. Step 5: Solve for x
    x = 439,539,732.06/17,943.40
  6. Step 6: Final answer
    x = 24,495.90

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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.