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Finding the Fourth Proportional to 2,448.07, 3,670.52 and 887.79

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Solution

The fourth proportional to 2,448.07, 3,670.52 and 887.79 is: 1,331.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,448.07 : 3,670.52 = 887.79 : x
  2. Step 2: Convert to fraction form
    2,448.07/3,670.52 = 887.79/x
  3. Step 3: Cross multiply
    2,448.07x = 3,670.52 × 887.79
  4. Step 4: Simplify right side
    2,448.07x = 3,258,629.31
  5. Step 5: Solve for x
    x = 3,258,629.31/2,448.07
  6. Step 6: Final answer
    x = 1,331.10

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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.