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Finding the Fourth Proportional to 25,671.65, 35,426.93 and 14,493.65

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Solution

The fourth proportional to 25,671.65, 35,426.93 and 14,493.65 is: 20,001.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,671.65 : 35,426.93 = 14,493.65 : x
  2. Step 2: Convert to fraction form
    25,671.65/35,426.93 = 14,493.65/x
  3. Step 3: Cross multiply
    25,671.65x = 35,426.93 × 14,493.65
  4. Step 4: Simplify right side
    25,671.65x = 513,465,274.39
  5. Step 5: Solve for x
    x = 513,465,274.39/25,671.65
  6. Step 6: Final answer
    x = 20,001.26

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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.