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Finding the Fourth Proportional to 1,628.99, 2,247.98 and 882.93

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Solution

The fourth proportional to 1,628.99, 2,247.98 and 882.93 is: 1,218.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628.99 : 2,247.98 = 882.93 : x
  2. Step 2: Convert to fraction form
    1,628.99/2,247.98 = 882.93/x
  3. Step 3: Cross multiply
    1,628.99x = 2,247.98 × 882.93
  4. Step 4: Simplify right side
    1,628.99x = 1,984,804.57
  5. Step 5: Solve for x
    x = 1,984,804.57/1,628.99
  6. Step 6: Final answer
    x = 1,218.43

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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.