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Finding the Fourth Proportional to 35,703.37, 49,270.55 and 19,787.82

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Solution

The fourth proportional to 35,703.37, 49,270.55 and 19,787.82 is: 27,307.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,703.37 : 49,270.55 = 19,787.82 : x
  2. Step 2: Convert to fraction form
    35,703.37/49,270.55 = 19,787.82/x
  3. Step 3: Cross multiply
    35,703.37x = 49,270.55 × 19,787.82
  4. Step 4: Simplify right side
    35,703.37x = 974,956,725.23
  5. Step 5: Solve for x
    x = 974,956,725.23/35,703.37
  6. Step 6: Final answer
    x = 27,307.13

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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.