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Finding the Fourth Proportional to 883.73, 1,216.77 and 750.67

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Solution

The fourth proportional to 883.73, 1,216.77 and 750.67 is: 1,033.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    883.73 : 1,216.77 = 750.67 : x
  2. Step 2: Convert to fraction form
    883.73/1,216.77 = 750.67/x
  3. Step 3: Cross multiply
    883.73x = 1,216.77 × 750.67
  4. Step 4: Simplify right side
    883.73x = 913,392.74
  5. Step 5: Solve for x
    x = 913,392.74/883.73
  6. Step 6: Final answer
    x = 1,033.57

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1.5x scale

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.