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Finding the Fourth Proportional to 13,592.86, 18,758.94 and 7,624.86

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Solution

The fourth proportional to 13,592.86, 18,758.94 and 7,624.86 is: 10,522.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,592.86 : 18,758.94 = 7,624.86 : x
  2. Step 2: Convert to fraction form
    13,592.86/18,758.94 = 7,624.86/x
  3. Step 3: Cross multiply
    13,592.86x = 18,758.94 × 7,624.86
  4. Step 4: Simplify right side
    13,592.86x = 143,034,291.25
  5. Step 5: Solve for x
    x = 143,034,291.25/13,592.86
  6. Step 6: Final answer
    x = 10,522.75

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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.