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Finding the Fourth Proportional to 2,009.66, 2,768.91 and 1,503.41

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Solution

The fourth proportional to 2,009.66, 2,768.91 and 1,503.41 is: 2,071.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009.66 : 2,768.91 = 1,503.41 : x
  2. Step 2: Convert to fraction form
    2,009.66/2,768.91 = 1,503.41/x
  3. Step 3: Cross multiply
    2,009.66x = 2,768.91 × 1,503.41
  4. Step 4: Simplify right side
    2,009.66x = 4,162,806.98
  5. Step 5: Solve for x
    x = 4,162,806.98/2,009.66
  6. Step 6: Final answer
    x = 2,071.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.