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Finding the Fourth Proportional to 2,957.04, 4,435.56 and 1,009.80

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Solution

The fourth proportional to 2,957.04, 4,435.56 and 1,009.80 is: 1,514.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957.04 : 4,435.56 = 1,009.80 : x
  2. Step 2: Convert to fraction form
    2,957.04/4,435.56 = 1,009.80/x
  3. Step 3: Cross multiply
    2,957.04x = 4,435.56 × 1,009.80
  4. Step 4: Simplify right side
    2,957.04x = 4,479,028.49
  5. Step 5: Solve for x
    x = 4,479,028.49/2,957.04
  6. Step 6: Final answer
    x = 1,514.70

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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.