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Finding the Fourth Proportional to 35,467.84, 48,945.80 and 19,551.96

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Solution

The fourth proportional to 35,467.84, 48,945.80 and 19,551.96 is: 26,981.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,467.84 : 48,945.80 = 19,551.96 : x
  2. Step 2: Convert to fraction form
    35,467.84/48,945.80 = 19,551.96/x
  3. Step 3: Cross multiply
    35,467.84x = 48,945.80 × 19,551.96
  4. Step 4: Simplify right side
    35,467.84x = 956,986,323.77
  5. Step 5: Solve for x
    x = 956,986,323.77/35,467.84
  6. Step 6: Final answer
    x = 26,981.80

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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.