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Finding the Fourth Proportional to 14,388.45, 21,585.63 and 6,068.49

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Solution

The fourth proportional to 14,388.45, 21,585.63 and 6,068.49 is: 9,103.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,388.45 : 21,585.63 = 6,068.49 : x
  2. Step 2: Convert to fraction form
    14,388.45/21,585.63 = 6,068.49/x
  3. Step 3: Cross multiply
    14,388.45x = 21,585.63 × 6,068.49
  4. Step 4: Simplify right side
    14,388.45x = 130,992,179.80
  5. Step 5: Solve for x
    x = 130,992,179.80/14,388.45
  6. Step 6: Final answer
    x = 9,103.98

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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.