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Finding the Fourth Proportional to 56,589.58, 77,489.93 and 54,358.84

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Solution

The fourth proportional to 56,589.58, 77,489.93 and 54,358.84 is: 74,435.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,589.58 : 77,489.93 = 54,358.84 : x
  2. Step 2: Convert to fraction form
    56,589.58/77,489.93 = 54,358.84/x
  3. Step 3: Cross multiply
    56,589.58x = 77,489.93 × 54,358.84
  4. Step 4: Simplify right side
    56,589.58x = 4,212,262,706.48
  5. Step 5: Solve for x
    x = 4,212,262,706.48/56,589.58
  6. Step 6: Final answer
    x = 74,435.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.