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Finding the Fourth Proportional to 25,662.66, 35,395.29 and 17,277.54

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Solution

The fourth proportional to 25,662.66, 35,395.29 and 17,277.54 is: 23,830.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,662.66 : 35,395.29 = 17,277.54 : x
  2. Step 2: Convert to fraction form
    25,662.66/35,395.29 = 17,277.54/x
  3. Step 3: Cross multiply
    25,662.66x = 35,395.29 × 17,277.54
  4. Step 4: Simplify right side
    25,662.66x = 611,543,538.79
  5. Step 5: Solve for x
    x = 611,543,538.79/25,662.66
  6. Step 6: Final answer
    x = 23,830.09

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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.