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Finding the Fourth Proportional to 35,374.50, 48,815.28 and 19,457.94

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Solution

The fourth proportional to 35,374.50, 48,815.28 and 19,457.94 is: 26,851.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,374.50 : 48,815.28 = 19,457.94 : x
  2. Step 2: Convert to fraction form
    35,374.50/48,815.28 = 19,457.94/x
  3. Step 3: Cross multiply
    35,374.50x = 48,815.28 × 19,457.94
  4. Step 4: Simplify right side
    35,374.50x = 949,844,789.32
  5. Step 5: Solve for x
    x = 949,844,789.32/35,374.50
  6. Step 6: Final answer
    x = 26,851.12

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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.