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Finding the Fourth Proportional to 13,357.59, 18,433.49 and 8,051.01

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Solution

The fourth proportional to 13,357.59, 18,433.49 and 8,051.01 is: 11,110.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,357.59 : 18,433.49 = 8,051.01 : x
  2. Step 2: Convert to fraction form
    13,357.59/18,433.49 = 8,051.01/x
  3. Step 3: Cross multiply
    13,357.59x = 18,433.49 × 8,051.01
  4. Step 4: Simplify right side
    13,357.59x = 148,408,172.07
  5. Step 5: Solve for x
    x = 148,408,172.07/13,357.59
  6. Step 6: Final answer
    x = 11,110.40

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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.