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Finding the Fourth Proportional to 4,984.54, 7,477.72 and 1,698.57

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Solution

The fourth proportional to 4,984.54, 7,477.72 and 1,698.57 is: 2,548.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,984.54 : 7,477.72 = 1,698.57 : x
  2. Step 2: Convert to fraction form
    4,984.54/7,477.72 = 1,698.57/x
  3. Step 3: Cross multiply
    4,984.54x = 7,477.72 × 1,698.57
  4. Step 4: Simplify right side
    4,984.54x = 12,701,426.61
  5. Step 5: Solve for x
    x = 12,701,426.61/4,984.54
  6. Step 6: Final answer
    x = 2,548.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.