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Finding the Fourth Proportional to 7,829.19, 10,804.14 and 4,292.37

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Solution

The fourth proportional to 7,829.19, 10,804.14 and 4,292.37 is: 5,923.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,829.19 : 10,804.14 = 4,292.37 : x
  2. Step 2: Convert to fraction form
    7,829.19/10,804.14 = 4,292.37/x
  3. Step 3: Cross multiply
    7,829.19x = 10,804.14 × 4,292.37
  4. Step 4: Simplify right side
    7,829.19x = 46,375,366.41
  5. Step 5: Solve for x
    x = 46,375,366.41/7,829.19
  6. Step 6: Final answer
    x = 5,923.39

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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.