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Finding the Fourth Proportional to 25,893.56, 35,734.68 and 14,715.56

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Solution

The fourth proportional to 25,893.56, 35,734.68 and 14,715.56 is: 20,308.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,893.56 : 35,734.68 = 14,715.56 : x
  2. Step 2: Convert to fraction form
    25,893.56/35,734.68 = 14,715.56/x
  3. Step 3: Cross multiply
    25,893.56x = 35,734.68 × 14,715.56
  4. Step 4: Simplify right side
    25,893.56x = 525,855,827.62
  5. Step 5: Solve for x
    x = 525,855,827.62/25,893.56
  6. Step 6: Final answer
    x = 20,308.36

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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.