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Finding the Fourth Proportional to 7,570.78, 11,357.16 and 2,503.29

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Solution

The fourth proportional to 7,570.78, 11,357.16 and 2,503.29 is: 3,755.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,570.78 : 11,357.16 = 2,503.29 : x
  2. Step 2: Convert to fraction form
    7,570.78/11,357.16 = 2,503.29/x
  3. Step 3: Cross multiply
    7,570.78x = 11,357.16 × 2,503.29
  4. Step 4: Simplify right side
    7,570.78x = 28,430,265.06
  5. Step 5: Solve for x
    x = 28,430,265.06/7,570.78
  6. Step 6: Final answer
    x = 3,755.26

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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.