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Finding the Fourth Proportional to 2,824.95, 4,237.48 and 745.16

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Solution

The fourth proportional to 2,824.95, 4,237.48 and 745.16 is: 1,117.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,824.95 : 4,237.48 = 745.16 : x
  2. Step 2: Convert to fraction form
    2,824.95/4,237.48 = 745.16/x
  3. Step 3: Cross multiply
    2,824.95x = 4,237.48 × 745.16
  4. Step 4: Simplify right side
    2,824.95x = 3,157,605.00
  5. Step 5: Solve for x
    x = 3,157,605.00/2,824.95
  6. Step 6: Final answer
    x = 1,117.76

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1.5x scale

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.