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Finding the Fourth Proportional to 7,896.74, 10,895.03 and 4,538.32

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Solution

The fourth proportional to 7,896.74, 10,895.03 and 4,538.32 is: 6,261.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,896.74 : 10,895.03 = 4,538.32 : x
  2. Step 2: Convert to fraction form
    7,896.74/10,895.03 = 4,538.32/x
  3. Step 3: Cross multiply
    7,896.74x = 10,895.03 × 4,538.32
  4. Step 4: Simplify right side
    7,896.74x = 49,445,082.62
  5. Step 5: Solve for x
    x = 49,445,082.62/7,896.74
  6. Step 6: Final answer
    x = 6,261.46

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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.