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Finding the Fourth Proportional to 25,615.84, 35,352.72 and 15,014.44

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Solution

The fourth proportional to 25,615.84, 35,352.72 and 15,014.44 is: 20,721.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,615.84 : 35,352.72 = 15,014.44 : x
  2. Step 2: Convert to fraction form
    25,615.84/35,352.72 = 15,014.44/x
  3. Step 3: Cross multiply
    25,615.84x = 35,352.72 × 15,014.44
  4. Step 4: Simplify right side
    25,615.84x = 530,801,293.28
  5. Step 5: Solve for x
    x = 530,801,293.28/25,615.84
  6. Step 6: Final answer
    x = 20,721.60

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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.