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Finding the Fourth Proportional to 5,000.76, 7,500.29 and 1,837.51

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Solution

The fourth proportional to 5,000.76, 7,500.29 and 1,837.51 is: 2,755.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,000.76 : 7,500.29 = 1,837.51 : x
  2. Step 2: Convert to fraction form
    5,000.76/7,500.29 = 1,837.51/x
  3. Step 3: Cross multiply
    5,000.76x = 7,500.29 × 1,837.51
  4. Step 4: Simplify right side
    5,000.76x = 13,781,829.94
  5. Step 5: Solve for x
    x = 13,781,829.94/5,000.76
  6. Step 6: Final answer
    x = 2,755.95

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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.