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Finding the Fourth Proportional to 17,989,993.99, 26,984,752.80 and 4,343,066.83

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Solution

The fourth proportional to 17,989,993.99, 26,984,752.80 and 4,343,066.83 is: 6,514,542.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,989,993.99 : 26,984,752.80 = 4,343,066.83 : x
  2. Step 2: Convert to fraction form
    17,989,993.99/26,984,752.80 = 4,343,066.83/x
  3. Step 3: Cross multiply
    17,989,993.99x = 26,984,752.80 × 4,343,066.83
  4. Step 4: Simplify right side
    17,989,993.99x = 117,196,584,801,429.62
  5. Step 5: Solve for x
    x = 117,196,584,801,429.62/17,989,993.99
  6. Step 6: Final answer
    x = 6,514,542.74

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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.