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Finding the Fourth Proportional to 9,531.03, 13,152.36 and 5,281.83

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Solution

The fourth proportional to 9,531.03, 13,152.36 and 5,281.83 is: 7,288.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,531.03 : 13,152.36 = 5,281.83 : x
  2. Step 2: Convert to fraction form
    9,531.03/13,152.36 = 5,281.83/x
  3. Step 3: Cross multiply
    9,531.03x = 13,152.36 × 5,281.83
  4. Step 4: Simplify right side
    9,531.03x = 69,468,529.62
  5. Step 5: Solve for x
    x = 69,468,529.62/9,531.03
  6. Step 6: Final answer
    x = 7,288.67

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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.