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Finding the Fourth Proportional to 25,363.78, 35,001.66 and 14,185.78

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Solution

The fourth proportional to 25,363.78, 35,001.66 and 14,185.78 is: 19,576.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,363.78 : 35,001.66 = 14,185.78 : x
  2. Step 2: Convert to fraction form
    25,363.78/35,001.66 = 14,185.78/x
  3. Step 3: Cross multiply
    25,363.78x = 35,001.66 × 14,185.78
  4. Step 4: Simplify right side
    25,363.78x = 496,525,848.39
  5. Step 5: Solve for x
    x = 496,525,848.39/25,363.78
  6. Step 6: Final answer
    x = 19,576.18

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1.5x scale

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.