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Finding the Fourth Proportional to 26,797.80, 36,979.50 and 14,860.29

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Solution

The fourth proportional to 26,797.80, 36,979.50 and 14,860.29 is: 20,506.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,797.80 : 36,979.50 = 14,860.29 : x
  2. Step 2: Convert to fraction form
    26,797.80/36,979.50 = 14,860.29/x
  3. Step 3: Cross multiply
    26,797.80x = 36,979.50 × 14,860.29
  4. Step 4: Simplify right side
    26,797.80x = 549,526,094.06
  5. Step 5: Solve for x
    x = 549,526,094.06/26,797.80
  6. Step 6: Final answer
    x = 20,506.39

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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.