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Finding the Fourth Proportional to 45,262.70, 67,898.00 and 18,610.31

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Solution

The fourth proportional to 45,262.70, 67,898.00 and 18,610.31 is: 27,917.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,262.70 : 67,898.00 = 18,610.31 : x
  2. Step 2: Convert to fraction form
    45,262.70/67,898.00 = 18,610.31/x
  3. Step 3: Cross multiply
    45,262.70x = 67,898.00 × 18,610.31
  4. Step 4: Simplify right side
    45,262.70x = 1,263,602,558.04
  5. Step 5: Solve for x
    x = 1,263,602,558.04/45,262.70
  6. Step 6: Final answer
    x = 27,917.08

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1.5x scale

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.