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Finding the Fourth Proportional to 2,309.74, 3,464.58 and 848.32

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Solution

The fourth proportional to 2,309.74, 3,464.58 and 848.32 is: 1,272.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,309.74 : 3,464.58 = 848.32 : x
  2. Step 2: Convert to fraction form
    2,309.74/3,464.58 = 848.32/x
  3. Step 3: Cross multiply
    2,309.74x = 3,464.58 × 848.32
  4. Step 4: Simplify right side
    2,309.74x = 2,939,072.51
  5. Step 5: Solve for x
    x = 2,939,072.51/2,309.74
  6. Step 6: Final answer
    x = 1,272.47

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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.