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Finding the Fourth Proportional to 18,297, 25,250.94 and 10,339.02

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Solution

The fourth proportional to 18,297, 25,250.94 and 10,339.02 is: 14,268.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,297 : 25,250.94 = 10,339.02 : x
  2. Step 2: Convert to fraction form
    18,297/25,250.94 = 10,339.02/x
  3. Step 3: Cross multiply
    18,297x = 25,250.94 × 10,339.02
  4. Step 4: Simplify right side
    18,297x = 261,069,973.68
  5. Step 5: Solve for x
    x = 261,069,973.68/18,297
  6. Step 6: Final answer
    x = 14,268.46

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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.