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Finding the Fourth Proportional to 7,303.83, 10,939.95 and 4,531.20

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Solution

The fourth proportional to 7,303.83, 10,939.95 and 4,531.20 is: 6,787.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,303.83 : 10,939.95 = 4,531.20 : x
  2. Step 2: Convert to fraction form
    7,303.83/10,939.95 = 4,531.20/x
  3. Step 3: Cross multiply
    7,303.83x = 10,939.95 × 4,531.20
  4. Step 4: Simplify right side
    7,303.83x = 49,571,101.44
  5. Step 5: Solve for x
    x = 49,571,101.44/7,303.83
  6. Step 6: Final answer
    x = 6,787.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.