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Finding the Fourth Proportional to 2,210.56, 3,049.88 and 1,510.72

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Solution

The fourth proportional to 2,210.56, 3,049.88 and 1,510.72 is: 2,084.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210.56 : 3,049.88 = 1,510.72 : x
  2. Step 2: Convert to fraction form
    2,210.56/3,049.88 = 1,510.72/x
  3. Step 3: Cross multiply
    2,210.56x = 3,049.88 × 1,510.72
  4. Step 4: Simplify right side
    2,210.56x = 4,607,514.71
  5. Step 5: Solve for x
    x = 4,607,514.71/2,210.56
  6. Step 6: Final answer
    x = 2,084.32

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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.