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Finding the Fourth Proportional to 2,957.86, 4,437.19 and 1,009.54

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Solution

The fourth proportional to 2,957.86, 4,437.19 and 1,009.54 is: 1,514.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957.86 : 4,437.19 = 1,009.54 : x
  2. Step 2: Convert to fraction form
    2,957.86/4,437.19 = 1,009.54/x
  3. Step 3: Cross multiply
    2,957.86x = 4,437.19 × 1,009.54
  4. Step 4: Simplify right side
    2,957.86x = 4,479,520.79
  5. Step 5: Solve for x
    x = 4,479,520.79/2,957.86
  6. Step 6: Final answer
    x = 1,514.45

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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.