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Finding the Fourth Proportional to 14,495.04, 20,003.08 and 7,871.04

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Solution

The fourth proportional to 14,495.04, 20,003.08 and 7,871.04 is: 10,861.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,495.04 : 20,003.08 = 7,871.04 : x
  2. Step 2: Convert to fraction form
    14,495.04/20,003.08 = 7,871.04/x
  3. Step 3: Cross multiply
    14,495.04x = 20,003.08 × 7,871.04
  4. Step 4: Simplify right side
    14,495.04x = 157,445,042.80
  5. Step 5: Solve for x
    x = 157,445,042.80/14,495.04
  6. Step 6: Final answer
    x = 10,861.99

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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.