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Finding the Fourth Proportional to 22,563.84, 33,808.77 and 15,978.21

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Solution

The fourth proportional to 22,563.84, 33,808.77 and 15,978.21 is: 23,941.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,563.84 : 33,808.77 = 15,978.21 : x
  2. Step 2: Convert to fraction form
    22,563.84/33,808.77 = 15,978.21/x
  3. Step 3: Cross multiply
    22,563.84x = 33,808.77 × 15,978.21
  4. Step 4: Simplify right side
    22,563.84x = 540,203,457.86
  5. Step 5: Solve for x
    x = 540,203,457.86/22,563.84
  6. Step 6: Final answer
    x = 23,941.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.