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Finding the Fourth Proportional to 14,776.48, 20,394.18 and 8,808.53

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Solution

The fourth proportional to 14,776.48, 20,394.18 and 8,808.53 is: 12,157.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,776.48 : 20,394.18 = 8,808.53 : x
  2. Step 2: Convert to fraction form
    14,776.48/20,394.18 = 8,808.53/x
  3. Step 3: Cross multiply
    14,776.48x = 20,394.18 × 8,808.53
  4. Step 4: Simplify right side
    14,776.48x = 179,642,746.36
  5. Step 5: Solve for x
    x = 179,642,746.36/14,776.48
  6. Step 6: Final answer
    x = 12,157.34

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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.