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Finding the Fourth Proportional to 4,988.98, 7,483.47 and 1,702

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Solution

The fourth proportional to 4,988.98, 7,483.47 and 1,702 is: 2,553.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.98 : 7,483.47 = 1,702 : x
  2. Step 2: Convert to fraction form
    4,988.98/7,483.47 = 1,702/x
  3. Step 3: Cross multiply
    4,988.98x = 7,483.47 × 1,702
  4. Step 4: Simplify right side
    4,988.98x = 12,736,865.94
  5. Step 5: Solve for x
    x = 12,736,865.94/4,988.98
  6. Step 6: Final answer
    x = 2,553.00

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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.