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Finding the Fourth Proportional to 5,339.33, 7,368.39 and 2,981.48

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Solution

The fourth proportional to 5,339.33, 7,368.39 and 2,981.48 is: 4,114.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,339.33 : 7,368.39 = 2,981.48 : x
  2. Step 2: Convert to fraction form
    5,339.33/7,368.39 = 2,981.48/x
  3. Step 3: Cross multiply
    5,339.33x = 7,368.39 × 2,981.48
  4. Step 4: Simplify right side
    5,339.33x = 21,968,670.58
  5. Step 5: Solve for x
    x = 21,968,670.58/5,339.33
  6. Step 6: Final answer
    x = 4,114.50

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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.