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Finding the Fourth Proportional to 14,522.84, 21,785.07 and 4,133.78

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Solution

The fourth proportional to 14,522.84, 21,785.07 and 4,133.78 is: 6,200.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,522.84 : 21,785.07 = 4,133.78 : x
  2. Step 2: Convert to fraction form
    14,522.84/21,785.07 = 4,133.78/x
  3. Step 3: Cross multiply
    14,522.84x = 21,785.07 × 4,133.78
  4. Step 4: Simplify right side
    14,522.84x = 90,054,751.46
  5. Step 5: Solve for x
    x = 90,054,751.46/14,522.84
  6. Step 6: Final answer
    x = 6,200.90

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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.