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Finding the Fourth Proportional to 26,675.78, 36,812.05 and 14,739.02

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Solution

The fourth proportional to 26,675.78, 36,812.05 and 14,739.02 is: 20,339.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,675.78 : 36,812.05 = 14,739.02 : x
  2. Step 2: Convert to fraction form
    26,675.78/36,812.05 = 14,739.02/x
  3. Step 3: Cross multiply
    26,675.78x = 36,812.05 × 14,739.02
  4. Step 4: Simplify right side
    26,675.78x = 542,573,541.19
  5. Step 5: Solve for x
    x = 542,573,541.19/26,675.78
  6. Step 6: Final answer
    x = 20,339.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.