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Finding the Fourth Proportional to 7,895.76, 10,896.17 and 4,358.99

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Solution

The fourth proportional to 7,895.76, 10,896.17 and 4,358.99 is: 6,015.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,895.76 : 10,896.17 = 4,358.99 : x
  2. Step 2: Convert to fraction form
    7,895.76/10,896.17 = 4,358.99/x
  3. Step 3: Cross multiply
    7,895.76x = 10,896.17 × 4,358.99
  4. Step 4: Simplify right side
    7,895.76x = 47,496,219.79
  5. Step 5: Solve for x
    x = 47,496,219.79/7,895.76
  6. Step 6: Final answer
    x = 6,015.41

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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.