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Finding the Fourth Proportional to 48,873.51, 67,452.75 and 30,970.26

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Solution

The fourth proportional to 48,873.51, 67,452.75 and 30,970.26 is: 42,743.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,873.51 : 67,452.75 = 30,970.26 : x
  2. Step 2: Convert to fraction form
    48,873.51/67,452.75 = 30,970.26/x
  3. Step 3: Cross multiply
    48,873.51x = 67,452.75 × 30,970.26
  4. Step 4: Simplify right side
    48,873.51x = 2,089,029,205.22
  5. Step 5: Solve for x
    x = 2,089,029,205.22/48,873.51
  6. Step 6: Final answer
    x = 42,743.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.