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Finding the Fourth Proportional to 25,361.76, 35,008.64 and 19,092.32

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Solution

The fourth proportional to 25,361.76, 35,008.64 and 19,092.32 is: 26,354.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,361.76 : 35,008.64 = 19,092.32 : x
  2. Step 2: Convert to fraction form
    25,361.76/35,008.64 = 19,092.32/x
  3. Step 3: Cross multiply
    25,361.76x = 35,008.64 × 19,092.32
  4. Step 4: Simplify right side
    25,361.76x = 668,396,157.64
  5. Step 5: Solve for x
    x = 668,396,157.64/25,361.76
  6. Step 6: Final answer
    x = 26,354.49

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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.