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Finding the Fourth Proportional to 25,342.58, 34,969.65 and 14,734.58

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Solution

The fourth proportional to 25,342.58, 34,969.65 and 14,734.58 is: 20,331.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,342.58 : 34,969.65 = 14,734.58 : x
  2. Step 2: Convert to fraction form
    25,342.58/34,969.65 = 14,734.58/x
  3. Step 3: Cross multiply
    25,342.58x = 34,969.65 × 14,734.58
  4. Step 4: Simplify right side
    25,342.58x = 515,263,105.50
  5. Step 5: Solve for x
    x = 515,263,105.50/25,342.58
  6. Step 6: Final answer
    x = 20,331.91

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1.5x scale

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.