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Finding the Fourth Proportional to 14,662.84, 21,993.95 and 3,569.59

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Solution

The fourth proportional to 14,662.84, 21,993.95 and 3,569.59 is: 5,354.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,662.84 : 21,993.95 = 3,569.59 : x
  2. Step 2: Convert to fraction form
    14,662.84/21,993.95 = 3,569.59/x
  3. Step 3: Cross multiply
    14,662.84x = 21,993.95 × 3,569.59
  4. Step 4: Simplify right side
    14,662.84x = 78,509,256.16
  5. Step 5: Solve for x
    x = 78,509,256.16/14,662.84
  6. Step 6: Final answer
    x = 5,354.30

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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.