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Finding the Fourth Proportional to 35,354.25, 48,788.74 and 19,438.65

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Solution

The fourth proportional to 35,354.25, 48,788.74 and 19,438.65 is: 26,825.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,354.25 : 48,788.74 = 19,438.65 : x
  2. Step 2: Convert to fraction form
    35,354.25/48,788.74 = 19,438.65/x
  3. Step 3: Cross multiply
    35,354.25x = 48,788.74 × 19,438.65
  4. Step 4: Simplify right side
    35,354.25x = 948,387,240.80
  5. Step 5: Solve for x
    x = 948,387,240.80/35,354.25
  6. Step 6: Final answer
    x = 26,825.27

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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.