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Finding the Fourth Proportional to 35,410.20, 48,866.40 and 19,495

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Solution

The fourth proportional to 35,410.20, 48,866.40 and 19,495 is: 26,903.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,410.20 : 48,866.40 = 19,495 : x
  2. Step 2: Convert to fraction form
    35,410.20/48,866.40 = 19,495/x
  3. Step 3: Cross multiply
    35,410.20x = 48,866.40 × 19,495
  4. Step 4: Simplify right side
    35,410.20x = 952,650,468
  5. Step 5: Solve for x
    x = 952,650,468/35,410.20
  6. Step 6: Final answer
    x = 26,903.28

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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.