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Finding the Fourth Proportional to 63,749.60, 95,638.16 and 19,379.93

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Solution

The fourth proportional to 63,749.60, 95,638.16 and 19,379.93 is: 29,074.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,749.60 : 95,638.16 = 19,379.93 : x
  2. Step 2: Convert to fraction form
    63,749.60/95,638.16 = 19,379.93/x
  3. Step 3: Cross multiply
    63,749.60x = 95,638.16 × 19,379.93
  4. Step 4: Simplify right side
    63,749.60x = 1,853,460,846.13
  5. Step 5: Solve for x
    x = 1,853,460,846.13/63,749.60
  6. Step 6: Final answer
    x = 29,074.08

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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.