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Finding the Fourth Proportional to 1,000.44, 1,508.16 and 933.54

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Solution

The fourth proportional to 1,000.44, 1,508.16 and 933.54 is: 1,407.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000.44 : 1,508.16 = 933.54 : x
  2. Step 2: Convert to fraction form
    1,000.44/1,508.16 = 933.54/x
  3. Step 3: Cross multiply
    1,000.44x = 1,508.16 × 933.54
  4. Step 4: Simplify right side
    1,000.44x = 1,407,927.69
  5. Step 5: Solve for x
    x = 1,407,927.69/1,000.44
  6. Step 6: Final answer
    x = 1,407.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.