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Finding the Fourth Proportional to 7,216.83, 9,953.01 and 4,698

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Solution

The fourth proportional to 7,216.83, 9,953.01 and 4,698 is: 6,479.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,216.83 : 9,953.01 = 4,698 : x
  2. Step 2: Convert to fraction form
    7,216.83/9,953.01 = 4,698/x
  3. Step 3: Cross multiply
    7,216.83x = 9,953.01 × 4,698
  4. Step 4: Simplify right side
    7,216.83x = 46,759,240.98
  5. Step 5: Solve for x
    x = 46,759,240.98/7,216.83
  6. Step 6: Final answer
    x = 6,479.19

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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.