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Finding the Fourth Proportional to 2,908.76, 4,363.34 and 1,746.68

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Solution

The fourth proportional to 2,908.76, 4,363.34 and 1,746.68 is: 2,620.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.76 : 4,363.34 = 1,746.68 : x
  2. Step 2: Convert to fraction form
    2,908.76/4,363.34 = 1,746.68/x
  3. Step 3: Cross multiply
    2,908.76x = 4,363.34 × 1,746.68
  4. Step 4: Simplify right side
    2,908.76x = 7,621,328.16
  5. Step 5: Solve for x
    x = 7,621,328.16/2,908.76
  6. Step 6: Final answer
    x = 2,620.13

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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.