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Finding the Fourth Proportional to 6,718.51, 9,270.42 and 3,733.95

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Solution

The fourth proportional to 6,718.51, 9,270.42 and 3,733.95 is: 5,152.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,718.51 : 9,270.42 = 3,733.95 : x
  2. Step 2: Convert to fraction form
    6,718.51/9,270.42 = 3,733.95/x
  3. Step 3: Cross multiply
    6,718.51x = 9,270.42 × 3,733.95
  4. Step 4: Simplify right side
    6,718.51x = 34,615,253.37
  5. Step 5: Solve for x
    x = 34,615,253.37/6,718.51
  6. Step 6: Final answer
    x = 5,152.22

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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.