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Finding the Fourth Proportional to 3,021.04, 4,531.02 and 829.48

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Solution

The fourth proportional to 3,021.04, 4,531.02 and 829.48 is: 1,244.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.04 : 4,531.02 = 829.48 : x
  2. Step 2: Convert to fraction form
    3,021.04/4,531.02 = 829.48/x
  3. Step 3: Cross multiply
    3,021.04x = 4,531.02 × 829.48
  4. Step 4: Simplify right side
    3,021.04x = 3,758,390.47
  5. Step 5: Solve for x
    x = 3,758,390.47/3,021.04
  6. Step 6: Final answer
    x = 1,244.07

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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.