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Finding the Fourth Proportional to 9,575.72, 13,210.72 and 7,063.88

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Solution

The fourth proportional to 9,575.72, 13,210.72 and 7,063.88 is: 9,745.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,575.72 : 13,210.72 = 7,063.88 : x
  2. Step 2: Convert to fraction form
    9,575.72/13,210.72 = 7,063.88/x
  3. Step 3: Cross multiply
    9,575.72x = 13,210.72 × 7,063.88
  4. Step 4: Simplify right side
    9,575.72x = 93,318,857.08
  5. Step 5: Solve for x
    x = 93,318,857.08/9,575.72
  6. Step 6: Final answer
    x = 9,745.37

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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.