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Finding the Fourth Proportional to 25,382.84, 35,031.89 and 14,775.89

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Solution

The fourth proportional to 25,382.84, 35,031.89 and 14,775.89 is: 20,392.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,382.84 : 35,031.89 = 14,775.89 : x
  2. Step 2: Convert to fraction form
    25,382.84/35,031.89 = 14,775.89/x
  3. Step 3: Cross multiply
    25,382.84x = 35,031.89 × 14,775.89
  4. Step 4: Simplify right side
    25,382.84x = 517,627,214.91
  5. Step 5: Solve for x
    x = 517,627,214.91/25,382.84
  6. Step 6: Final answer
    x = 20,392.81

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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.