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Finding the Fourth Proportional to 7,969.34, 12,000.32 and 5,903.99

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Solution

The fourth proportional to 7,969.34, 12,000.32 and 5,903.99 is: 8,890.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,969.34 : 12,000.32 = 5,903.99 : x
  2. Step 2: Convert to fraction form
    7,969.34/12,000.32 = 5,903.99/x
  3. Step 3: Cross multiply
    7,969.34x = 12,000.32 × 5,903.99
  4. Step 4: Simplify right side
    7,969.34x = 70,849,769.28
  5. Step 5: Solve for x
    x = 70,849,769.28/7,969.34
  6. Step 6: Final answer
    x = 8,890.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.