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Finding the Fourth Proportional to 56,527.94, 84,793.71 and 28,432.65

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Solution

The fourth proportional to 56,527.94, 84,793.71 and 28,432.65 is: 42,649.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,527.94 : 84,793.71 = 28,432.65 : x
  2. Step 2: Convert to fraction form
    56,527.94/84,793.71 = 28,432.65/x
  3. Step 3: Cross multiply
    56,527.94x = 84,793.71 × 28,432.65
  4. Step 4: Simplify right side
    56,527.94x = 2,410,909,507.34
  5. Step 5: Solve for x
    x = 2,410,909,507.34/56,527.94
  6. Step 6: Final answer
    x = 42,649.88

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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.