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Finding the Fourth Proportional to 56,889.75, 85,334.63 and 15,336.75

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Solution

The fourth proportional to 56,889.75, 85,334.63 and 15,336.75 is: 23,005.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,889.75 : 85,334.63 = 15,336.75 : x
  2. Step 2: Convert to fraction form
    56,889.75/85,334.63 = 15,336.75/x
  3. Step 3: Cross multiply
    56,889.75x = 85,334.63 × 15,336.75
  4. Step 4: Simplify right side
    56,889.75x = 1,308,755,809.97
  5. Step 5: Solve for x
    x = 1,308,755,809.97/56,889.75
  6. Step 6: Final answer
    x = 23,005.13

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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.