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Finding the Fourth Proportional to 1,756.58, 2,634.84 and 524.84

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Solution

The fourth proportional to 1,756.58, 2,634.84 and 524.84 is: 787.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,756.58 : 2,634.84 = 524.84 : x
  2. Step 2: Convert to fraction form
    1,756.58/2,634.84 = 524.84/x
  3. Step 3: Cross multiply
    1,756.58x = 2,634.84 × 524.84
  4. Step 4: Simplify right side
    1,756.58x = 1,382,856.25
  5. Step 5: Solve for x
    x = 1,382,856.25/1,756.58
  6. Step 6: Final answer
    x = 787.25

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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.