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Finding the Fourth Proportional to 25,395.59, 35,046.17 and 15,322.08

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Solution

The fourth proportional to 25,395.59, 35,046.17 and 15,322.08 is: 21,144.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,395.59 : 35,046.17 = 15,322.08 : x
  2. Step 2: Convert to fraction form
    25,395.59/35,046.17 = 15,322.08/x
  3. Step 3: Cross multiply
    25,395.59x = 35,046.17 × 15,322.08
  4. Step 4: Simplify right side
    25,395.59x = 536,980,235.93
  5. Step 5: Solve for x
    x = 536,980,235.93/25,395.59
  6. Step 6: Final answer
    x = 21,144.63

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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.