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Finding the Fourth Proportional to 7,846.02, 10,828.08 and 4,309.30

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Solution

The fourth proportional to 7,846.02, 10,828.08 and 4,309.30 is: 5,947.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,846.02 : 10,828.08 = 4,309.30 : x
  2. Step 2: Convert to fraction form
    7,846.02/10,828.08 = 4,309.30/x
  3. Step 3: Cross multiply
    7,846.02x = 10,828.08 × 4,309.30
  4. Step 4: Simplify right side
    7,846.02x = 46,661,445.14
  5. Step 5: Solve for x
    x = 46,661,445.14/7,846.02
  6. Step 6: Final answer
    x = 5,947.15

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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.