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Finding the Fourth Proportional to 10,392.89, 14,341.98 and 5,855.81

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Solution

The fourth proportional to 10,392.89, 14,341.98 and 5,855.81 is: 8,080.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,392.89 : 14,341.98 = 5,855.81 : x
  2. Step 2: Convert to fraction form
    10,392.89/14,341.98 = 5,855.81/x
  3. Step 3: Cross multiply
    10,392.89x = 14,341.98 × 5,855.81
  4. Step 4: Simplify right side
    10,392.89x = 83,983,881.00
  5. Step 5: Solve for x
    x = 83,983,881.00/10,392.89
  6. Step 6: Final answer
    x = 8,080.89

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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.