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Finding the Fourth Proportional to 14,118.59, 19,482.99 and 7,830.83

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Solution

The fourth proportional to 14,118.59, 19,482.99 and 7,830.83 is: 10,806.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,118.59 : 19,482.99 = 7,830.83 : x
  2. Step 2: Convert to fraction form
    14,118.59/19,482.99 = 7,830.83/x
  3. Step 3: Cross multiply
    14,118.59x = 19,482.99 × 7,830.83
  4. Step 4: Simplify right side
    14,118.59x = 152,567,982.58
  5. Step 5: Solve for x
    x = 152,567,982.58/14,118.59
  6. Step 6: Final answer
    x = 10,806.18

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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.