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Finding the Fourth Proportional to 26,695.17, 36,838.80 and 14,758.20

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Solution

The fourth proportional to 26,695.17, 36,838.80 and 14,758.20 is: 20,366.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,695.17 : 36,838.80 = 14,758.20 : x
  2. Step 2: Convert to fraction form
    26,695.17/36,838.80 = 14,758.20/x
  3. Step 3: Cross multiply
    26,695.17x = 36,838.80 × 14,758.20
  4. Step 4: Simplify right side
    26,695.17x = 543,674,378.16
  5. Step 5: Solve for x
    x = 543,674,378.16/26,695.17
  6. Step 6: Final answer
    x = 20,366.02

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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.