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Finding the Fourth Proportional to 39,342.86, 54,291.27 and 22,344.86

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Solution

The fourth proportional to 39,342.86, 54,291.27 and 22,344.86 is: 30,834.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,342.86 : 54,291.27 = 22,344.86 : x
  2. Step 2: Convert to fraction form
    39,342.86/54,291.27 = 22,344.86/x
  3. Step 3: Cross multiply
    39,342.86x = 54,291.27 × 22,344.86
  4. Step 4: Simplify right side
    39,342.86x = 1,213,130,827.37
  5. Step 5: Solve for x
    x = 1,213,130,827.37/39,342.86
  6. Step 6: Final answer
    x = 30,834.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.