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Finding the Fourth Proportional to 14,713.25, 20,304.54 and 7,999.02

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Solution

The fourth proportional to 14,713.25, 20,304.54 and 7,999.02 is: 11,038.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,713.25 : 20,304.54 = 7,999.02 : x
  2. Step 2: Convert to fraction form
    14,713.25/20,304.54 = 7,999.02/x
  3. Step 3: Cross multiply
    14,713.25x = 20,304.54 × 7,999.02
  4. Step 4: Simplify right side
    14,713.25x = 162,416,421.55
  5. Step 5: Solve for x
    x = 162,416,421.55/14,713.25
  6. Step 6: Final answer
    x = 11,038.79

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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.