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Finding the Fourth Proportional to 63,561.66, 95,343.15 and 19,188.78

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Solution

The fourth proportional to 63,561.66, 95,343.15 and 19,188.78 is: 28,783.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,561.66 : 95,343.15 = 19,188.78 : x
  2. Step 2: Convert to fraction form
    63,561.66/95,343.15 = 19,188.78/x
  3. Step 3: Cross multiply
    63,561.66x = 95,343.15 × 19,188.78
  4. Step 4: Simplify right side
    63,561.66x = 1,829,518,729.86
  5. Step 5: Solve for x
    x = 1,829,518,729.86/63,561.66
  6. Step 6: Final answer
    x = 28,783.37

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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.