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Finding the Fourth Proportional to 25,802.70, 35,611.02 and 15,193.32

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Solution

The fourth proportional to 25,802.70, 35,611.02 and 15,193.32 is: 20,968.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,802.70 : 35,611.02 = 15,193.32 : x
  2. Step 2: Convert to fraction form
    25,802.70/35,611.02 = 15,193.32/x
  3. Step 3: Cross multiply
    25,802.70x = 35,611.02 × 15,193.32
  4. Step 4: Simplify right side
    25,802.70x = 541,049,622.39
  5. Step 5: Solve for x
    x = 541,049,622.39/25,802.70
  6. Step 6: Final answer
    x = 20,968.72

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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.