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Finding the Fourth Proportional to 3,014.93, 4,522.40 and 823.68

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Solution

The fourth proportional to 3,014.93, 4,522.40 and 823.68 is: 1,235.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,014.93 : 4,522.40 = 823.68 : x
  2. Step 2: Convert to fraction form
    3,014.93/4,522.40 = 823.68/x
  3. Step 3: Cross multiply
    3,014.93x = 4,522.40 × 823.68
  4. Step 4: Simplify right side
    3,014.93x = 3,725,009.40
  5. Step 5: Solve for x
    x = 3,725,009.40/3,014.93
  6. Step 6: Final answer
    x = 1,235.52

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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.