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Finding the Fourth Proportional to 4,998.72, 7,495.20 and 1,710.48

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Solution

The fourth proportional to 4,998.72, 7,495.20 and 1,710.48 is: 2,564.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,998.72 : 7,495.20 = 1,710.48 : x
  2. Step 2: Convert to fraction form
    4,998.72/7,495.20 = 1,710.48/x
  3. Step 3: Cross multiply
    4,998.72x = 7,495.20 × 1,710.48
  4. Step 4: Simplify right side
    4,998.72x = 12,820,389.70
  5. Step 5: Solve for x
    x = 12,820,389.70/4,998.72
  6. Step 6: Final answer
    x = 2,564.73

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1.5x scale

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.