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Finding the Fourth Proportional to 14,118.41, 19,484.03 and 8,452.07

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Solution

The fourth proportional to 14,118.41, 19,484.03 and 8,452.07 is: 11,664.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,118.41 : 19,484.03 = 8,452.07 : x
  2. Step 2: Convert to fraction form
    14,118.41/19,484.03 = 8,452.07/x
  3. Step 3: Cross multiply
    14,118.41x = 19,484.03 × 8,452.07
  4. Step 4: Simplify right side
    14,118.41x = 164,680,245.76
  5. Step 5: Solve for x
    x = 164,680,245.76/14,118.41
  6. Step 6: Final answer
    x = 11,664.22

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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.