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Finding the Fourth Proportional to 56,632.60, 84,851.70 and 26,986.60

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Solution

The fourth proportional to 56,632.60, 84,851.70 and 26,986.60 is: 40,433.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,632.60 : 84,851.70 = 26,986.60 : x
  2. Step 2: Convert to fraction form
    56,632.60/84,851.70 = 26,986.60/x
  3. Step 3: Cross multiply
    56,632.60x = 84,851.70 × 26,986.60
  4. Step 4: Simplify right side
    56,632.60x = 2,289,858,887.22
  5. Step 5: Solve for x
    x = 2,289,858,887.22/56,632.60
  6. Step 6: Final answer
    x = 40,433.58

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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.