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Finding the Fourth Proportional to 2,009.70, 3,014.64 and 1,037.70

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Solution

The fourth proportional to 2,009.70, 3,014.64 and 1,037.70 is: 1,556.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009.70 : 3,014.64 = 1,037.70 : x
  2. Step 2: Convert to fraction form
    2,009.70/3,014.64 = 1,037.70/x
  3. Step 3: Cross multiply
    2,009.70x = 3,014.64 × 1,037.70
  4. Step 4: Simplify right side
    2,009.70x = 3,128,291.93
  5. Step 5: Solve for x
    x = 3,128,291.93/2,009.70
  6. Step 6: Final answer
    x = 1,556.60

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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.