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Finding the Fourth Proportional to 5,146.03, 7,719.02 and 1,250.45

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Solution

The fourth proportional to 5,146.03, 7,719.02 and 1,250.45 is: 1,875.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,146.03 : 7,719.02 = 1,250.45 : x
  2. Step 2: Convert to fraction form
    5,146.03/7,719.02 = 1,250.45/x
  3. Step 3: Cross multiply
    5,146.03x = 7,719.02 × 1,250.45
  4. Step 4: Simplify right side
    5,146.03x = 9,652,203.71
  5. Step 5: Solve for x
    x = 9,652,203.71/5,146.03
  6. Step 6: Final answer
    x = 1,875.66

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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.