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Finding the Fourth Proportional to 25,410.92, 35,070.56 and 14,803.88

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Solution

The fourth proportional to 25,410.92, 35,070.56 and 14,803.88 is: 20,431.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,410.92 : 35,070.56 = 14,803.88 : x
  2. Step 2: Convert to fraction form
    25,410.92/35,070.56 = 14,803.88/x
  3. Step 3: Cross multiply
    25,410.92x = 35,070.56 × 14,803.88
  4. Step 4: Simplify right side
    25,410.92x = 519,180,361.77
  5. Step 5: Solve for x
    x = 519,180,361.77/25,410.92
  6. Step 6: Final answer
    x = 20,431.39

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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.