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Finding the Fourth Proportional to 56,193.75, 84,290.63 and 14,640.75

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Solution

The fourth proportional to 56,193.75, 84,290.63 and 14,640.75 is: 21,961.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,193.75 : 84,290.63 = 14,640.75 : x
  2. Step 2: Convert to fraction form
    56,193.75/84,290.63 = 14,640.75/x
  3. Step 3: Cross multiply
    56,193.75x = 84,290.63 × 14,640.75
  4. Step 4: Simplify right side
    56,193.75x = 1,234,077,967.97
  5. Step 5: Solve for x
    x = 1,234,077,967.97/56,193.75
  6. Step 6: Final answer
    x = 21,961.13

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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.