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Finding the Fourth Proportional to 1,093.16, 1,510.04 and 873.65

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Solution

The fourth proportional to 1,093.16, 1,510.04 and 873.65 is: 1,206.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093.16 : 1,510.04 = 873.65 : x
  2. Step 2: Convert to fraction form
    1,093.16/1,510.04 = 873.65/x
  3. Step 3: Cross multiply
    1,093.16x = 1,510.04 × 873.65
  4. Step 4: Simplify right side
    1,093.16x = 1,319,246.45
  5. Step 5: Solve for x
    x = 1,319,246.45/1,093.16
  6. Step 6: Final answer
    x = 1,206.82

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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.