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Finding the Fourth Proportional to 35,379.64, 48,823.52 and 19,464.10

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Solution

The fourth proportional to 35,379.64, 48,823.52 and 19,464.10 is: 26,860.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,379.64 : 48,823.52 = 19,464.10 : x
  2. Step 2: Convert to fraction form
    35,379.64/48,823.52 = 19,464.10/x
  3. Step 3: Cross multiply
    35,379.64x = 48,823.52 × 19,464.10
  4. Step 4: Simplify right side
    35,379.64x = 950,305,875.63
  5. Step 5: Solve for x
    x = 950,305,875.63/35,379.64
  6. Step 6: Final answer
    x = 26,860.25

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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.