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Finding the Fourth Proportional to 14,116.15, 19,492.68 and 8,820.01

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Solution

The fourth proportional to 14,116.15, 19,492.68 and 8,820.01 is: 12,179.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,116.15 : 19,492.68 = 8,820.01 : x
  2. Step 2: Convert to fraction form
    14,116.15/19,492.68 = 8,820.01/x
  3. Step 3: Cross multiply
    14,116.15x = 19,492.68 × 8,820.01
  4. Step 4: Simplify right side
    14,116.15x = 171,925,632.53
  5. Step 5: Solve for x
    x = 171,925,632.53/14,116.15
  6. Step 6: Final answer
    x = 12,179.36

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