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Finding the Fourth Proportional to 35,854.66, 49,480.65 and 19,722.66

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Solution

The fourth proportional to 35,854.66, 49,480.65 and 19,722.66 is: 27,217.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,854.66 : 49,480.65 = 19,722.66 : x
  2. Step 2: Convert to fraction form
    35,854.66/49,480.65 = 19,722.66/x
  3. Step 3: Cross multiply
    35,854.66x = 49,480.65 × 19,722.66
  4. Step 4: Simplify right side
    35,854.66x = 975,890,036.53
  5. Step 5: Solve for x
    x = 975,890,036.53/35,854.66
  6. Step 6: Final answer
    x = 27,217.94

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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.