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Finding the Fourth Proportional to 44,988.80, 67,492.30 and 13,399.40

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Solution

The fourth proportional to 44,988.80, 67,492.30 and 13,399.40 is: 20,101.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,988.80 : 67,492.30 = 13,399.40 : x
  2. Step 2: Convert to fraction form
    44,988.80/67,492.30 = 13,399.40/x
  3. Step 3: Cross multiply
    44,988.80x = 67,492.30 × 13,399.40
  4. Step 4: Simplify right side
    44,988.80x = 904,356,324.62
  5. Step 5: Solve for x
    x = 904,356,324.62/44,988.80
  6. Step 6: Final answer
    x = 20,101.81

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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.