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Finding the Fourth Proportional to 7,895.04, 10,896 and 4,912.32

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Solution

The fourth proportional to 7,895.04, 10,896 and 4,912.32 is: 6,779.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,895.04 : 10,896 = 4,912.32 : x
  2. Step 2: Convert to fraction form
    7,895.04/10,896 = 4,912.32/x
  3. Step 3: Cross multiply
    7,895.04x = 10,896 × 4,912.32
  4. Step 4: Simplify right side
    7,895.04x = 53,524,638.72
  5. Step 5: Solve for x
    x = 53,524,638.72/7,895.04
  6. Step 6: Final answer
    x = 6,779.53

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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.