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Finding the Fourth Proportional to 36,699.95, 50,643.53 and 21,589.68

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Solution

The fourth proportional to 36,699.95, 50,643.53 and 21,589.68 is: 29,792.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,699.95 : 50,643.53 = 21,589.68 : x
  2. Step 2: Convert to fraction form
    36,699.95/50,643.53 = 21,589.68/x
  3. Step 3: Cross multiply
    36,699.95x = 50,643.53 × 21,589.68
  4. Step 4: Simplify right side
    36,699.95x = 1,093,377,688.74
  5. Step 5: Solve for x
    x = 1,093,377,688.74/36,699.95
  6. Step 6: Final answer
    x = 29,792.35

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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.