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Finding the Fourth Proportional to 51,800.76, 71,485.02 and 29,444.76

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Solution

The fourth proportional to 51,800.76, 71,485.02 and 29,444.76 is: 40,633.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,800.76 : 71,485.02 = 29,444.76 : x
  2. Step 2: Convert to fraction form
    51,800.76/71,485.02 = 29,444.76/x
  3. Step 3: Cross multiply
    51,800.76x = 71,485.02 × 29,444.76
  4. Step 4: Simplify right side
    51,800.76x = 2,104,859,257.50
  5. Step 5: Solve for x
    x = 2,104,859,257.50/51,800.76
  6. Step 6: Final answer
    x = 40,633.75

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Half scale
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Double scale
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1.5x scale

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.