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Finding the Fourth Proportional to 8,866.25, 13,293.84 and 3,316.67

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Solution

The fourth proportional to 8,866.25, 13,293.84 and 3,316.67 is: 4,972.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,866.25 : 13,293.84 = 3,316.67 : x
  2. Step 2: Convert to fraction form
    8,866.25/13,293.84 = 3,316.67/x
  3. Step 3: Cross multiply
    8,866.25x = 13,293.84 × 3,316.67
  4. Step 4: Simplify right side
    8,866.25x = 44,091,280.31
  5. Step 5: Solve for x
    x = 44,091,280.31/8,866.25
  6. Step 6: Final answer
    x = 4,972.93

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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.