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Finding the Fourth Proportional to 45,855.96, 63,283.86 and 25,719.30

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Solution

The fourth proportional to 45,855.96, 63,283.86 and 25,719.30 is: 35,494.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,855.96 : 63,283.86 = 25,719.30 : x
  2. Step 2: Convert to fraction form
    45,855.96/63,283.86 = 25,719.30/x
  3. Step 3: Cross multiply
    45,855.96x = 63,283.86 × 25,719.30
  4. Step 4: Simplify right side
    45,855.96x = 1,627,616,580.50
  5. Step 5: Solve for x
    x = 1,627,616,580.50/45,855.96
  6. Step 6: Final answer
    x = 35,494.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.