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Finding the Fourth Proportional to 3,095.93, 4,643.52 and 874.93

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Solution

The fourth proportional to 3,095.93, 4,643.52 and 874.93 is: 1,312.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,095.93 : 4,643.52 = 874.93 : x
  2. Step 2: Convert to fraction form
    3,095.93/4,643.52 = 874.93/x
  3. Step 3: Cross multiply
    3,095.93x = 4,643.52 × 874.93
  4. Step 4: Simplify right side
    3,095.93x = 4,062,754.95
  5. Step 5: Solve for x
    x = 4,062,754.95/3,095.93
  6. Step 6: Final answer
    x = 1,312.29

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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.