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Finding the Fourth Proportional to 35,352.51, 48,786.47 and 19,438.03

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Solution

The fourth proportional to 35,352.51, 48,786.47 and 19,438.03 is: 26,824.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,352.51 : 48,786.47 = 19,438.03 : x
  2. Step 2: Convert to fraction form
    35,352.51/48,786.47 = 19,438.03/x
  3. Step 3: Cross multiply
    35,352.51x = 48,786.47 × 19,438.03
  4. Step 4: Simplify right side
    35,352.51x = 948,312,867.45
  5. Step 5: Solve for x
    x = 948,312,867.45/35,352.51
  6. Step 6: Final answer
    x = 26,824.48

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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.