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Finding the Fourth Proportional to 5,250.79, 7,876.19 and 4,930.03

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Solution

The fourth proportional to 5,250.79, 7,876.19 and 4,930.03 is: 7,395.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250.79 : 7,876.19 = 4,930.03 : x
  2. Step 2: Convert to fraction form
    5,250.79/7,876.19 = 4,930.03/x
  3. Step 3: Cross multiply
    5,250.79x = 7,876.19 × 4,930.03
  4. Step 4: Simplify right side
    5,250.79x = 38,829,852.99
  5. Step 5: Solve for x
    x = 38,829,852.99/5,250.79
  6. Step 6: Final answer
    x = 7,395.05

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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.