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Finding the Fourth Proportional to 25,843.84, 35,665.60 and 14,666.88

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Solution

The fourth proportional to 25,843.84, 35,665.60 and 14,666.88 is: 20,240.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,843.84 : 35,665.60 = 14,666.88 : x
  2. Step 2: Convert to fraction form
    25,843.84/35,665.60 = 14,666.88/x
  3. Step 3: Cross multiply
    25,843.84x = 35,665.60 × 14,666.88
  4. Step 4: Simplify right side
    25,843.84x = 523,103,075.33
  5. Step 5: Solve for x
    x = 523,103,075.33/25,843.84
  6. Step 6: Final answer
    x = 20,240.92

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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.