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Finding the Fourth Proportional to 77,501.44, 106,866.56 and 53,586.56

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Solution

The fourth proportional to 77,501.44, 106,866.56 and 53,586.56 is: 73,890.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,501.44 : 106,866.56 = 53,586.56 : x
  2. Step 2: Convert to fraction form
    77,501.44/106,866.56 = 53,586.56/x
  3. Step 3: Cross multiply
    77,501.44x = 106,866.56 × 53,586.56
  4. Step 4: Simplify right side
    77,501.44x = 5,726,611,329.43
  5. Step 5: Solve for x
    x = 5,726,611,329.43/77,501.44
  6. Step 6: Final answer
    x = 73,890.39

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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.