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Finding the Fourth Proportional to 14,334.91, 21,492.56 and 7,301.31

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Solution

The fourth proportional to 14,334.91, 21,492.56 and 7,301.31 is: 10,946.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,334.91 : 21,492.56 = 7,301.31 : x
  2. Step 2: Convert to fraction form
    14,334.91/21,492.56 = 7,301.31/x
  3. Step 3: Cross multiply
    14,334.91x = 21,492.56 × 7,301.31
  4. Step 4: Simplify right side
    14,334.91x = 156,923,860.74
  5. Step 5: Solve for x
    x = 156,923,860.74/14,334.91
  6. Step 6: Final answer
    x = 10,946.97

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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.