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Finding the Fourth Proportional to 57,733.70, 80,630.35 and 57,733.70

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Solution

The fourth proportional to 57,733.70, 80,630.35 and 57,733.70 is: 80,630.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,733.70 : 80,630.35 = 57,733.70 : x
  2. Step 2: Convert to fraction form
    57,733.70/80,630.35 = 57,733.70/x
  3. Step 3: Cross multiply
    57,733.70x = 80,630.35 × 57,733.70
  4. Step 4: Simplify right side
    57,733.70x = 4,655,088,437.80
  5. Step 5: Solve for x
    x = 4,655,088,437.80/57,733.70
  6. Step 6: Final answer
    x = 80,630.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.