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Finding the Fourth Proportional to 35,694, 49,258.80 and 19,776.96

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Solution

The fourth proportional to 35,694, 49,258.80 and 19,776.96 is: 27,292.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,694 : 49,258.80 = 19,776.96 : x
  2. Step 2: Convert to fraction form
    35,694/49,258.80 = 19,776.96/x
  3. Step 3: Cross multiply
    35,694x = 49,258.80 × 19,776.96
  4. Step 4: Simplify right side
    35,694x = 974,189,317.25
  5. Step 5: Solve for x
    x = 974,189,317.25/35,694
  6. Step 6: Final answer
    x = 27,292.80

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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.