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Finding the Fourth Proportional to 14,110.81, 19,468.49 and 8,808.71

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Solution

The fourth proportional to 14,110.81, 19,468.49 and 8,808.71 is: 12,153.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,110.81 : 19,468.49 = 8,808.71 : x
  2. Step 2: Convert to fraction form
    14,110.81/19,468.49 = 8,808.71/x
  3. Step 3: Cross multiply
    14,110.81x = 19,468.49 × 8,808.71
  4. Step 4: Simplify right side
    14,110.81x = 171,492,190.71
  5. Step 5: Solve for x
    x = 171,492,190.71/14,110.81
  6. Step 6: Final answer
    x = 12,153.25

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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.