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Finding the Fourth Proportional to 35,229.64, 48,619.98 and 19,317.20

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Solution

The fourth proportional to 35,229.64, 48,619.98 and 19,317.20 is: 26,659.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,229.64 : 48,619.98 = 19,317.20 : x
  2. Step 2: Convert to fraction form
    35,229.64/48,619.98 = 19,317.20/x
  3. Step 3: Cross multiply
    35,229.64x = 48,619.98 × 19,317.20
  4. Step 4: Simplify right side
    35,229.64x = 939,201,877.66
  5. Step 5: Solve for x
    x = 939,201,877.66/35,229.64
  6. Step 6: Final answer
    x = 26,659.42

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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.