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Finding the Fourth Proportional to 7,855.31, 10,835.52 and 4,666.44

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Solution

The fourth proportional to 7,855.31, 10,835.52 and 4,666.44 is: 6,436.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,855.31 : 10,835.52 = 4,666.44 : x
  2. Step 2: Convert to fraction form
    7,855.31/10,835.52 = 4,666.44/x
  3. Step 3: Cross multiply
    7,855.31x = 10,835.52 × 4,666.44
  4. Step 4: Simplify right side
    7,855.31x = 50,563,303.95
  5. Step 5: Solve for x
    x = 50,563,303.95/7,855.31
  6. Step 6: Final answer
    x = 6,436.83

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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.