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Finding the Fourth Proportional to 7,875.33, 11,813.15 and 2,328.67

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Solution

The fourth proportional to 7,875.33, 11,813.15 and 2,328.67 is: 3,493.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,875.33 : 11,813.15 = 2,328.67 : x
  2. Step 2: Convert to fraction form
    7,875.33/11,813.15 = 2,328.67/x
  3. Step 3: Cross multiply
    7,875.33x = 11,813.15 × 2,328.67
  4. Step 4: Simplify right side
    7,875.33x = 27,508,928.01
  5. Step 5: Solve for x
    x = 27,508,928.01/7,875.33
  6. Step 6: Final answer
    x = 3,493.05

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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.