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Finding the Fourth Proportional to 63,561.62, 95,343.09 and 19,188.74

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Solution

The fourth proportional to 63,561.62, 95,343.09 and 19,188.74 is: 28,783.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,561.62 : 95,343.09 = 19,188.74 : x
  2. Step 2: Convert to fraction form
    63,561.62/95,343.09 = 19,188.74/x
  3. Step 3: Cross multiply
    63,561.62x = 95,343.09 × 19,188.74
  4. Step 4: Simplify right side
    63,561.62x = 1,829,513,764.81
  5. Step 5: Solve for x
    x = 1,829,513,764.81/63,561.62
  6. Step 6: Final answer
    x = 28,783.31

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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.