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Finding the Fourth Proportional to 26,245.70, 36,210.93 and 14,914.70

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Solution

The fourth proportional to 26,245.70, 36,210.93 and 14,914.70 is: 20,577.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,245.70 : 36,210.93 = 14,914.70 : x
  2. Step 2: Convert to fraction form
    26,245.70/36,210.93 = 14,914.70/x
  3. Step 3: Cross multiply
    26,245.70x = 36,210.93 × 14,914.70
  4. Step 4: Simplify right side
    26,245.70x = 540,075,157.67
  5. Step 5: Solve for x
    x = 540,075,157.67/26,245.70
  6. Step 6: Final answer
    x = 20,577.66

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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.