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Finding the Fourth Proportional to 2,957.44, 4,434.94 and 1,009.80

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Solution

The fourth proportional to 2,957.44, 4,434.94 and 1,009.80 is: 1,514.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957.44 : 4,434.94 = 1,009.80 : x
  2. Step 2: Convert to fraction form
    2,957.44/4,434.94 = 1,009.80/x
  3. Step 3: Cross multiply
    2,957.44x = 4,434.94 × 1,009.80
  4. Step 4: Simplify right side
    2,957.44x = 4,478,402.41
  5. Step 5: Solve for x
    x = 4,478,402.41/2,957.44
  6. Step 6: Final answer
    x = 1,514.28

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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.