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Finding the Fourth Proportional to 22,019.76, 33,045.84 and 14,621.76

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Solution

The fourth proportional to 22,019.76, 33,045.84 and 14,621.76 is: 21,943.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,019.76 : 33,045.84 = 14,621.76 : x
  2. Step 2: Convert to fraction form
    22,019.76/33,045.84 = 14,621.76/x
  3. Step 3: Cross multiply
    22,019.76x = 33,045.84 × 14,621.76
  4. Step 4: Simplify right side
    22,019.76x = 483,188,341.48
  5. Step 5: Solve for x
    x = 483,188,341.48/22,019.76
  6. Step 6: Final answer
    x = 21,943.40

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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.