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Finding the Fourth Proportional to 7,580.07, 11,370.09 and 7,569.12

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Solution

The fourth proportional to 7,580.07, 11,370.09 and 7,569.12 is: 11,353.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,580.07 : 11,370.09 = 7,569.12 : x
  2. Step 2: Convert to fraction form
    7,580.07/11,370.09 = 7,569.12/x
  3. Step 3: Cross multiply
    7,580.07x = 11,370.09 × 7,569.12
  4. Step 4: Simplify right side
    7,580.07x = 86,061,575.62
  5. Step 5: Solve for x
    x = 86,061,575.62/7,580.07
  6. Step 6: Final answer
    x = 11,353.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.