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Finding the Fourth Proportional to 44,893.13, 67,339.71 and 13,728.11

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Solution

The fourth proportional to 44,893.13, 67,339.71 and 13,728.11 is: 20,592.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,893.13 : 67,339.71 = 13,728.11 : x
  2. Step 2: Convert to fraction form
    44,893.13/67,339.71 = 13,728.11/x
  3. Step 3: Cross multiply
    44,893.13x = 67,339.71 × 13,728.11
  4. Step 4: Simplify right side
    44,893.13x = 924,446,946.25
  5. Step 5: Solve for x
    x = 924,446,946.25/44,893.13
  6. Step 6: Final answer
    x = 20,592.17

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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.