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Finding the Fourth Proportional to 43,558, 65,337.32 and 10,726

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Solution

The fourth proportional to 43,558, 65,337.32 and 10,726 is: 16,089.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,558 : 65,337.32 = 10,726 : x
  2. Step 2: Convert to fraction form
    43,558/65,337.32 = 10,726/x
  3. Step 3: Cross multiply
    43,558x = 65,337.32 × 10,726
  4. Step 4: Simplify right side
    43,558x = 700,808,094.32
  5. Step 5: Solve for x
    x = 700,808,094.32/43,558
  6. Step 6: Final answer
    x = 16,089.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.