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Finding the Fourth Proportional to 26,797.76, 36,980.88 and 14,861.12

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Solution

The fourth proportional to 26,797.76, 36,980.88 and 14,861.12 is: 20,508.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,797.76 : 36,980.88 = 14,861.12 : x
  2. Step 2: Convert to fraction form
    26,797.76/36,980.88 = 14,861.12/x
  3. Step 3: Cross multiply
    26,797.76x = 36,980.88 × 14,861.12
  4. Step 4: Simplify right side
    26,797.76x = 549,577,295.39
  5. Step 5: Solve for x
    x = 549,577,295.39/26,797.76
  6. Step 6: Final answer
    x = 20,508.33

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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.