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Finding the Fourth Proportional to 26,798.80, 36,981.84 and 14,699.32

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Solution

The fourth proportional to 26,798.80, 36,981.84 and 14,699.32 is: 20,284.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,798.80 : 36,981.84 = 14,699.32 : x
  2. Step 2: Convert to fraction form
    26,798.80/36,981.84 = 14,699.32/x
  3. Step 3: Cross multiply
    26,798.80x = 36,981.84 × 14,699.32
  4. Step 4: Simplify right side
    26,798.80x = 543,607,900.35
  5. Step 5: Solve for x
    x = 543,607,900.35/26,798.80
  6. Step 6: Final answer
    x = 20,284.79

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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.