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Finding the Fourth Proportional to 26,980.98, 40,471.47 and 14,506.88

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Solution

The fourth proportional to 26,980.98, 40,471.47 and 14,506.88 is: 21,760.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,980.98 : 40,471.47 = 14,506.88 : x
  2. Step 2: Convert to fraction form
    26,980.98/40,471.47 = 14,506.88/x
  3. Step 3: Cross multiply
    26,980.98x = 40,471.47 × 14,506.88
  4. Step 4: Simplify right side
    26,980.98x = 587,114,758.71
  5. Step 5: Solve for x
    x = 587,114,758.71/26,980.98
  6. Step 6: Final answer
    x = 21,760.32

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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.