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Finding the Fourth Proportional to 16,987,539.90, 23,849,740.50 and 16,987,539.90

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Solution

The fourth proportional to 16,987,539.90, 23,849,740.50 and 16,987,539.90 is: 23,849,740.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,987,539.90 : 23,849,740.50 = 16,987,539.90 : x
  2. Step 2: Convert to fraction form
    16,987,539.90/23,849,740.50 = 16,987,539.90/x
  3. Step 3: Cross multiply
    16,987,539.90x = 23,849,740.50 × 16,987,539.90
  4. Step 4: Simplify right side
    16,987,539.90x = 405,148,418,348,395.94
  5. Step 5: Solve for x
    x = 405,148,418,348,395.94/16,987,539.90
  6. Step 6: Final answer
    x = 23,849,740.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.