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Finding the Fourth Proportional to 13,365.41, 18,444.92 and 7,701.04

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Solution

The fourth proportional to 13,365.41, 18,444.92 and 7,701.04 is: 10,627.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,365.41 : 18,444.92 = 7,701.04 : x
  2. Step 2: Convert to fraction form
    13,365.41/18,444.92 = 7,701.04/x
  3. Step 3: Cross multiply
    13,365.41x = 18,444.92 × 7,701.04
  4. Step 4: Simplify right side
    13,365.41x = 142,045,051.27
  5. Step 5: Solve for x
    x = 142,045,051.27/13,365.41
  6. Step 6: Final answer
    x = 10,627.81

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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.