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Finding the Fourth Proportional to 25,327.12, 37,978.75 and 14,800.19

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Solution

The fourth proportional to 25,327.12, 37,978.75 and 14,800.19 is: 22,193.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,327.12 : 37,978.75 = 14,800.19 : x
  2. Step 2: Convert to fraction form
    25,327.12/37,978.75 = 14,800.19/x
  3. Step 3: Cross multiply
    25,327.12x = 37,978.75 × 14,800.19
  4. Step 4: Simplify right side
    25,327.12x = 562,092,544.57
  5. Step 5: Solve for x
    x = 562,092,544.57/25,327.12
  6. Step 6: Final answer
    x = 22,193.30

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1.5x scale

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.