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Finding the Fourth Proportional to 53,943.66, 80,915.49 and 18,893.34

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Solution

The fourth proportional to 53,943.66, 80,915.49 and 18,893.34 is: 28,340.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,943.66 : 80,915.49 = 18,893.34 : x
  2. Step 2: Convert to fraction form
    53,943.66/80,915.49 = 18,893.34/x
  3. Step 3: Cross multiply
    53,943.66x = 80,915.49 × 18,893.34
  4. Step 4: Simplify right side
    53,943.66x = 1,528,763,863.84
  5. Step 5: Solve for x
    x = 1,528,763,863.84/53,943.66
  6. Step 6: Final answer
    x = 28,340.01

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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.