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Finding the Fourth Proportional to 25,346.93, 34,978.10 and 14,016.11

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Solution

The fourth proportional to 25,346.93, 34,978.10 and 14,016.11 is: 19,341.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,346.93 : 34,978.10 = 14,016.11 : x
  2. Step 2: Convert to fraction form
    25,346.93/34,978.10 = 14,016.11/x
  3. Step 3: Cross multiply
    25,346.93x = 34,978.10 × 14,016.11
  4. Step 4: Simplify right side
    25,346.93x = 490,256,652.22
  5. Step 5: Solve for x
    x = 490,256,652.22/25,346.93
  6. Step 6: Final answer
    x = 19,341.86

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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.