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Finding the Fourth Proportional to 14,106.84, 19,459.40 and 8,804.72

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Solution

The fourth proportional to 14,106.84, 19,459.40 and 8,804.72 is: 12,145.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,106.84 : 19,459.40 = 8,804.72 : x
  2. Step 2: Convert to fraction form
    14,106.84/19,459.40 = 8,804.72/x
  3. Step 3: Cross multiply
    14,106.84x = 19,459.40 × 8,804.72
  4. Step 4: Simplify right side
    14,106.84x = 171,334,568.37
  5. Step 5: Solve for x
    x = 171,334,568.37/14,106.84
  6. Step 6: Final answer
    x = 12,145.50

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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.