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Finding the Fourth Proportional to 14,267.66, 19,688.99 and 7,894.08

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Solution

The fourth proportional to 14,267.66, 19,688.99 and 7,894.08 is: 10,893.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,267.66 : 19,688.99 = 7,894.08 : x
  2. Step 2: Convert to fraction form
    14,267.66/19,688.99 = 7,894.08/x
  3. Step 3: Cross multiply
    14,267.66x = 19,688.99 × 7,894.08
  4. Step 4: Simplify right side
    14,267.66x = 155,426,422.71
  5. Step 5: Solve for x
    x = 155,426,422.71/14,267.66
  6. Step 6: Final answer
    x = 10,893.62

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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.