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Finding the Fourth Proportional to 29,999.80, 44,913.30 and 26,889.40

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Solution

The fourth proportional to 29,999.80, 44,913.30 and 26,889.40 is: 40,256.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,999.80 : 44,913.30 = 26,889.40 : x
  2. Step 2: Convert to fraction form
    29,999.80/44,913.30 = 26,889.40/x
  3. Step 3: Cross multiply
    29,999.80x = 44,913.30 × 26,889.40
  4. Step 4: Simplify right side
    29,999.80x = 1,207,691,689.02
  5. Step 5: Solve for x
    x = 1,207,691,689.02/29,999.80
  6. Step 6: Final answer
    x = 40,256.66

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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.