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Finding the Fourth Proportional to 14,903.02, 20,566.50 and 8,189.05

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Solution

The fourth proportional to 14,903.02, 20,566.50 and 8,189.05 is: 11,301.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,903.02 : 20,566.50 = 8,189.05 : x
  2. Step 2: Convert to fraction form
    14,903.02/20,566.50 = 8,189.05/x
  3. Step 3: Cross multiply
    14,903.02x = 20,566.50 × 8,189.05
  4. Step 4: Simplify right side
    14,903.02x = 168,420,096.83
  5. Step 5: Solve for x
    x = 168,420,096.83/14,903.02
  6. Step 6: Final answer
    x = 11,301.07

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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.