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Finding the Fourth Proportional to 25,710.48, 35,480.21 and 14,379.84

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Solution

The fourth proportional to 25,710.48, 35,480.21 and 14,379.84 is: 19,844.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,710.48 : 35,480.21 = 14,379.84 : x
  2. Step 2: Convert to fraction form
    25,710.48/35,480.21 = 14,379.84/x
  3. Step 3: Cross multiply
    25,710.48x = 35,480.21 × 14,379.84
  4. Step 4: Simplify right side
    25,710.48x = 510,199,671.07
  5. Step 5: Solve for x
    x = 510,199,671.07/25,710.48
  6. Step 6: Final answer
    x = 19,844.04

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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.