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Finding the Fourth Proportional to 1,095.18, 1,511.34 and 597.84

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Solution

The fourth proportional to 1,095.18, 1,511.34 and 597.84 is: 825.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095.18 : 1,511.34 = 597.84 : x
  2. Step 2: Convert to fraction form
    1,095.18/1,511.34 = 597.84/x
  3. Step 3: Cross multiply
    1,095.18x = 1,511.34 × 597.84
  4. Step 4: Simplify right side
    1,095.18x = 903,539.51
  5. Step 5: Solve for x
    x = 903,539.51/1,095.18
  6. Step 6: Final answer
    x = 825.01

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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.