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Finding the Fourth Proportional to 4,368.15, 6,552.15 and 1,081.25

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Solution

The fourth proportional to 4,368.15, 6,552.15 and 1,081.25 is: 1,621.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,368.15 : 6,552.15 = 1,081.25 : x
  2. Step 2: Convert to fraction form
    4,368.15/6,552.15 = 1,081.25/x
  3. Step 3: Cross multiply
    4,368.15x = 6,552.15 × 1,081.25
  4. Step 4: Simplify right side
    4,368.15x = 7,084,479.43
  5. Step 5: Solve for x
    x = 7,084,479.43/4,368.15
  6. Step 6: Final answer
    x = 1,621.85

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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.