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Finding the Fourth Proportional to 63,939.07, 95,841.72 and 21,804.40

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Solution

The fourth proportional to 63,939.07, 95,841.72 and 21,804.40 is: 32,683.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,939.07 : 95,841.72 = 21,804.40 : x
  2. Step 2: Convert to fraction form
    63,939.07/95,841.72 = 21,804.40/x
  3. Step 3: Cross multiply
    63,939.07x = 95,841.72 × 21,804.40
  4. Step 4: Simplify right side
    63,939.07x = 2,089,771,199.57
  5. Step 5: Solve for x
    x = 2,089,771,199.57/63,939.07
  6. Step 6: Final answer
    x = 32,683.79

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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.