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Finding the Fourth Proportional to 3,345.44, 5,018.22 and 1,004.95

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Solution

The fourth proportional to 3,345.44, 5,018.22 and 1,004.95 is: 1,507.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.44 : 5,018.22 = 1,004.95 : x
  2. Step 2: Convert to fraction form
    3,345.44/5,018.22 = 1,004.95/x
  3. Step 3: Cross multiply
    3,345.44x = 5,018.22 × 1,004.95
  4. Step 4: Simplify right side
    3,345.44x = 5,043,030.07
  5. Step 5: Solve for x
    x = 5,043,030.07/3,345.44
  6. Step 6: Final answer
    x = 1,507.43

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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.