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Finding the Fourth Proportional to 35,800.67, 49,405.71 and 19,668.19

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Solution

The fourth proportional to 35,800.67, 49,405.71 and 19,668.19 is: 27,142.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,800.67 : 49,405.71 = 19,668.19 : x
  2. Step 2: Convert to fraction form
    35,800.67/49,405.71 = 19,668.19/x
  3. Step 3: Cross multiply
    35,800.67x = 49,405.71 × 19,668.19
  4. Step 4: Simplify right side
    35,800.67x = 971,720,781.79
  5. Step 5: Solve for x
    x = 971,720,781.79/35,800.67
  6. Step 6: Final answer
    x = 27,142.53

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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.