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Finding the Fourth Proportional to 14,927.01, 20,599.28 and 8,213.10

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Solution

The fourth proportional to 14,927.01, 20,599.28 and 8,213.10 is: 11,334.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,927.01 : 20,599.28 = 8,213.10 : x
  2. Step 2: Convert to fraction form
    14,927.01/20,599.28 = 8,213.10/x
  3. Step 3: Cross multiply
    14,927.01x = 20,599.28 × 8,213.10
  4. Step 4: Simplify right side
    14,927.01x = 169,183,946.57
  5. Step 5: Solve for x
    x = 169,183,946.57/14,927.01
  6. Step 6: Final answer
    x = 11,334.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.