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Finding the Fourth Proportional to 63,967.36, 95,953.92 and 19,590.88

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Solution

The fourth proportional to 63,967.36, 95,953.92 and 19,590.88 is: 29,387.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,967.36 : 95,953.92 = 19,590.88 : x
  2. Step 2: Convert to fraction form
    63,967.36/95,953.92 = 19,590.88/x
  3. Step 3: Cross multiply
    63,967.36x = 95,953.92 × 19,590.88
  4. Step 4: Simplify right side
    63,967.36x = 1,879,821,732.25
  5. Step 5: Solve for x
    x = 1,879,821,732.25/63,967.36
  6. Step 6: Final answer
    x = 29,387.20

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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.