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Finding the Fourth Proportional to 7,063.92, 9,748.32 and 4,080.36

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Solution

The fourth proportional to 7,063.92, 9,748.32 and 4,080.36 is: 5,630.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,063.92 : 9,748.32 = 4,080.36 : x
  2. Step 2: Convert to fraction form
    7,063.92/9,748.32 = 4,080.36/x
  3. Step 3: Cross multiply
    7,063.92x = 9,748.32 × 4,080.36
  4. Step 4: Simplify right side
    7,063.92x = 39,776,655.00
  5. Step 5: Solve for x
    x = 39,776,655.00/7,063.92
  6. Step 6: Final answer
    x = 5,630.96

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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.