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Finding the Fourth Proportional to 3,009.56, 4,514.77 and 929.74

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Solution

The fourth proportional to 3,009.56, 4,514.77 and 929.74 is: 1,394.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,009.56 : 4,514.77 = 929.74 : x
  2. Step 2: Convert to fraction form
    3,009.56/4,514.77 = 929.74/x
  3. Step 3: Cross multiply
    3,009.56x = 4,514.77 × 929.74
  4. Step 4: Simplify right side
    3,009.56x = 4,197,562.26
  5. Step 5: Solve for x
    x = 4,197,562.26/3,009.56
  6. Step 6: Final answer
    x = 1,394.74

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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.