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Finding the Fourth Proportional to 63,964.40, 95,953.80 and 19,590.80

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Solution

The fourth proportional to 63,964.40, 95,953.80 and 19,590.80 is: 29,388.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,964.40 : 95,953.80 = 19,590.80 : x
  2. Step 2: Convert to fraction form
    63,964.40/95,953.80 = 19,590.80/x
  3. Step 3: Cross multiply
    63,964.40x = 95,953.80 × 19,590.80
  4. Step 4: Simplify right side
    63,964.40x = 1,879,811,705.04
  5. Step 5: Solve for x
    x = 1,879,811,705.04/63,964.40
  6. Step 6: Final answer
    x = 29,388.41

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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.