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Finding the Fourth Proportional to 56,118.44, 84,153.03 and 21,033.50

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Solution

The fourth proportional to 56,118.44, 84,153.03 and 21,033.50 is: 31,541.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,118.44 : 84,153.03 = 21,033.50 : x
  2. Step 2: Convert to fraction form
    56,118.44/84,153.03 = 21,033.50/x
  3. Step 3: Cross multiply
    56,118.44x = 84,153.03 × 21,033.50
  4. Step 4: Simplify right side
    56,118.44x = 1,770,032,335.74
  5. Step 5: Solve for x
    x = 1,770,032,335.74/56,118.44
  6. Step 6: Final answer
    x = 31,541.01

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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.