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Finding the Fourth Proportional to 2,509.66, 3,461.61 and 1,461.72

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Solution

The fourth proportional to 2,509.66, 3,461.61 and 1,461.72 is: 2,016.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,509.66 : 3,461.61 = 1,461.72 : x
  2. Step 2: Convert to fraction form
    2,509.66/3,461.61 = 1,461.72/x
  3. Step 3: Cross multiply
    2,509.66x = 3,461.61 × 1,461.72
  4. Step 4: Simplify right side
    2,509.66x = 5,059,923.03
  5. Step 5: Solve for x
    x = 5,059,923.03/2,509.66
  6. Step 6: Final answer
    x = 2,016.18

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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.