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Finding the Fourth Proportional to 3,775.56, 5,663.64 and 1,002.16

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Solution

The fourth proportional to 3,775.56, 5,663.64 and 1,002.16 is: 1,503.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,775.56 : 5,663.64 = 1,002.16 : x
  2. Step 2: Convert to fraction form
    3,775.56/5,663.64 = 1,002.16/x
  3. Step 3: Cross multiply
    3,775.56x = 5,663.64 × 1,002.16
  4. Step 4: Simplify right side
    3,775.56x = 5,675,873.46
  5. Step 5: Solve for x
    x = 5,675,873.46/3,775.56
  6. Step 6: Final answer
    x = 1,503.32

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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.