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Finding the Fourth Proportional to 1,750.56, 2,625.08 and 928.65

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Solution

The fourth proportional to 1,750.56, 2,625.08 and 928.65 is: 1,392.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750.56 : 2,625.08 = 928.65 : x
  2. Step 2: Convert to fraction form
    1,750.56/2,625.08 = 928.65/x
  3. Step 3: Cross multiply
    1,750.56x = 2,625.08 × 928.65
  4. Step 4: Simplify right side
    1,750.56x = 2,437,775.90
  5. Step 5: Solve for x
    x = 2,437,775.90/1,750.56
  6. Step 6: Final answer
    x = 1,392.57

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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.