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Finding the Fourth Proportional to 26,828,350.80, 40,242,526.20 and 26,828,350.80

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Solution

The fourth proportional to 26,828,350.80, 40,242,526.20 and 26,828,350.80 is: 40,242,526.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,828,350.80 : 40,242,526.20 = 26,828,350.80 : x
  2. Step 2: Convert to fraction form
    26,828,350.80/40,242,526.20 = 26,828,350.80/x
  3. Step 3: Cross multiply
    26,828,350.80x = 40,242,526.20 × 26,828,350.80
  4. Step 4: Simplify right side
    26,828,350.80x = 1,079,640,609,971,791.12
  5. Step 5: Solve for x
    x = 1,079,640,609,971,791.12/26,828,350.80
  6. Step 6: Final answer
    x = 40,242,526.20

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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.