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Finding the Fourth Proportional to 7,893.45, 10,895.11 and 4,536.61

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Solution

The fourth proportional to 7,893.45, 10,895.11 and 4,536.61 is: 6,261.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,893.45 : 10,895.11 = 4,536.61 : x
  2. Step 2: Convert to fraction form
    7,893.45/10,895.11 = 4,536.61/x
  3. Step 3: Cross multiply
    7,893.45x = 10,895.11 × 4,536.61
  4. Step 4: Simplify right side
    7,893.45x = 49,426,826.40
  5. Step 5: Solve for x
    x = 49,426,826.40/7,893.45
  6. Step 6: Final answer
    x = 6,261.75

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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.