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Finding the Fourth Proportional to 56,059.86, 77,318.86 and 35,918.63

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Solution

The fourth proportional to 56,059.86, 77,318.86 and 35,918.63 is: 49,539.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,059.86 : 77,318.86 = 35,918.63 : x
  2. Step 2: Convert to fraction form
    56,059.86/77,318.86 = 35,918.63/x
  3. Step 3: Cross multiply
    56,059.86x = 77,318.86 × 35,918.63
  4. Step 4: Simplify right side
    56,059.86x = 2,777,187,524.36
  5. Step 5: Solve for x
    x = 2,777,187,524.36/56,059.86
  6. Step 6: Final answer
    x = 49,539.68

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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.