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Finding the Fourth Proportional to 4,868.16, 6,718.17 and 2,953.99

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Solution

The fourth proportional to 4,868.16, 6,718.17 and 2,953.99 is: 4,076.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,868.16 : 6,718.17 = 2,953.99 : x
  2. Step 2: Convert to fraction form
    4,868.16/6,718.17 = 2,953.99/x
  3. Step 3: Cross multiply
    4,868.16x = 6,718.17 × 2,953.99
  4. Step 4: Simplify right side
    4,868.16x = 19,845,407.00
  5. Step 5: Solve for x
    x = 19,845,407.00/4,868.16
  6. Step 6: Final answer
    x = 4,076.57

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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.