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Finding the Fourth Proportional to 25,165.86, 37,749.75 and 9,374.88

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Solution

The fourth proportional to 25,165.86, 37,749.75 and 9,374.88 is: 14,062.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,165.86 : 37,749.75 = 9,374.88 : x
  2. Step 2: Convert to fraction form
    25,165.86/37,749.75 = 9,374.88/x
  3. Step 3: Cross multiply
    25,165.86x = 37,749.75 × 9,374.88
  4. Step 4: Simplify right side
    25,165.86x = 353,899,376.28
  5. Step 5: Solve for x
    x = 353,899,376.28/25,165.86
  6. Step 6: Final answer
    x = 14,062.68

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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.