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Finding the Fourth Proportional to 53,285.66, 73,536.66 and 30,631.98

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Solution

The fourth proportional to 53,285.66, 73,536.66 and 30,631.98 is: 42,273.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,285.66 : 73,536.66 = 30,631.98 : x
  2. Step 2: Convert to fraction form
    53,285.66/73,536.66 = 30,631.98/x
  3. Step 3: Cross multiply
    53,285.66x = 73,536.66 × 30,631.98
  4. Step 4: Simplify right side
    53,285.66x = 2,252,573,498.39
  5. Step 5: Solve for x
    x = 2,252,573,498.39/53,285.66
  6. Step 6: Final answer
    x = 42,273.54

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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.