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Finding the Fourth Proportional to 35,394.47, 48,844.42 and 19,479.49

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Solution

The fourth proportional to 35,394.47, 48,844.42 and 19,479.49 is: 26,881.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,394.47 : 48,844.42 = 19,479.49 : x
  2. Step 2: Convert to fraction form
    35,394.47/48,844.42 = 19,479.49/x
  3. Step 3: Cross multiply
    35,394.47x = 48,844.42 × 19,479.49
  4. Step 4: Simplify right side
    35,394.47x = 951,464,220.14
  5. Step 5: Solve for x
    x = 951,464,220.14/35,394.47
  6. Step 6: Final answer
    x = 26,881.72

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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.