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Finding the Fourth Proportional to 1,360.84, 2,032.93 and 1,087.44

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Solution

The fourth proportional to 1,360.84, 2,032.93 and 1,087.44 is: 1,624.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360.84 : 2,032.93 = 1,087.44 : x
  2. Step 2: Convert to fraction form
    1,360.84/2,032.93 = 1,087.44/x
  3. Step 3: Cross multiply
    1,360.84x = 2,032.93 × 1,087.44
  4. Step 4: Simplify right side
    1,360.84x = 2,210,689.40
  5. Step 5: Solve for x
    x = 2,210,689.40/1,360.84
  6. Step 6: Final answer
    x = 1,624.50

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.