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Finding the Fourth Proportional to 57,255, 79,011.90 and 32,104.50

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Solution

The fourth proportional to 57,255, 79,011.90 and 32,104.50 is: 44,304.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,255 : 79,011.90 = 32,104.50 : x
  2. Step 2: Convert to fraction form
    57,255/79,011.90 = 32,104.50/x
  3. Step 3: Cross multiply
    57,255x = 79,011.90 × 32,104.50
  4. Step 4: Simplify right side
    57,255x = 2,536,637,543.55
  5. Step 5: Solve for x
    x = 2,536,637,543.55/57,255
  6. Step 6: Final answer
    x = 44,304.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.