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Finding the Fourth Proportional to 56,999.80, 85,499.70 and 23,708.80

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Solution

The fourth proportional to 56,999.80, 85,499.70 and 23,708.80 is: 35,563.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,999.80 : 85,499.70 = 23,708.80 : x
  2. Step 2: Convert to fraction form
    56,999.80/85,499.70 = 23,708.80/x
  3. Step 3: Cross multiply
    56,999.80x = 85,499.70 × 23,708.80
  4. Step 4: Simplify right side
    56,999.80x = 2,027,095,287.36
  5. Step 5: Solve for x
    x = 2,027,095,287.36/56,999.80
  6. Step 6: Final answer
    x = 35,563.20

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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.