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Finding the Fourth Proportional to 14,484.88, 19,989.13 and 7,860.88

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Solution

The fourth proportional to 14,484.88, 19,989.13 and 7,860.88 is: 10,848.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,484.88 : 19,989.13 = 7,860.88 : x
  2. Step 2: Convert to fraction form
    14,484.88/19,989.13 = 7,860.88/x
  3. Step 3: Cross multiply
    14,484.88x = 19,989.13 × 7,860.88
  4. Step 4: Simplify right side
    14,484.88x = 157,132,052.29
  5. Step 5: Solve for x
    x = 157,132,052.29/14,484.88
  6. Step 6: Final answer
    x = 10,848.01

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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.