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Finding the Fourth Proportional to 17,799,708.80, 26,699,563.20 and 5,020,047.20

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Solution

The fourth proportional to 17,799,708.80, 26,699,563.20 and 5,020,047.20 is: 7,530,070.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,799,708.80 : 26,699,563.20 = 5,020,047.20 : x
  2. Step 2: Convert to fraction form
    17,799,708.80/26,699,563.20 = 5,020,047.20/x
  3. Step 3: Cross multiply
    17,799,708.80x = 26,699,563.20 × 5,020,047.20
  4. Step 4: Simplify right side
    17,799,708.80x = 134,033,067,483,383.05
  5. Step 5: Solve for x
    x = 134,033,067,483,383.05/17,799,708.80
  6. Step 6: Final answer
    x = 7,530,070.80

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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.