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Finding the Fourth Proportional to 39,068.92, 53,911.92 and 22,074.64

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Solution

The fourth proportional to 39,068.92, 53,911.92 and 22,074.64 is: 30,461.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,068.92 : 53,911.92 = 22,074.64 : x
  2. Step 2: Convert to fraction form
    39,068.92/53,911.92 = 22,074.64/x
  3. Step 3: Cross multiply
    39,068.92x = 53,911.92 × 22,074.64
  4. Step 4: Simplify right side
    39,068.92x = 1,190,086,225.71
  5. Step 5: Solve for x
    x = 1,190,086,225.71/39,068.92
  6. Step 6: Final answer
    x = 30,461.20

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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.