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Finding the Fourth Proportional to 14,036.92, 19,370.91 and 7,749.25

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Solution

The fourth proportional to 14,036.92, 19,370.91 and 7,749.25 is: 10,693.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,036.92 : 19,370.91 = 7,749.25 : x
  2. Step 2: Convert to fraction form
    14,036.92/19,370.91 = 7,749.25/x
  3. Step 3: Cross multiply
    14,036.92x = 19,370.91 × 7,749.25
  4. Step 4: Simplify right side
    14,036.92x = 150,110,024.32
  5. Step 5: Solve for x
    x = 150,110,024.32/14,036.92
  6. Step 6: Final answer
    x = 10,693.94

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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.