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Finding the Fourth Proportional to 55,668.64, 83,504.78 and 18,230.86

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Solution

The fourth proportional to 55,668.64, 83,504.78 and 18,230.86 is: 27,346.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,668.64 : 83,504.78 = 18,230.86 : x
  2. Step 2: Convert to fraction form
    55,668.64/83,504.78 = 18,230.86/x
  3. Step 3: Cross multiply
    55,668.64x = 83,504.78 × 18,230.86
  4. Step 4: Simplify right side
    55,668.64x = 1,522,363,953.51
  5. Step 5: Solve for x
    x = 1,522,363,953.51/55,668.64
  6. Step 6: Final answer
    x = 27,346.89

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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.