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Finding the Fourth Proportional to 1,730.95, 2,596.80 and 635.32

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Solution

The fourth proportional to 1,730.95, 2,596.80 and 635.32 is: 953.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,730.95 : 2,596.80 = 635.32 : x
  2. Step 2: Convert to fraction form
    1,730.95/2,596.80 = 635.32/x
  3. Step 3: Cross multiply
    1,730.95x = 2,596.80 × 635.32
  4. Step 4: Simplify right side
    1,730.95x = 1,649,798.98
  5. Step 5: Solve for x
    x = 1,649,798.98/1,730.95
  6. Step 6: Final answer
    x = 953.12

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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.