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Finding the Fourth Proportional to 16,987,551.40, 23,849,756.60 and 16,987,551.40

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Solution

The fourth proportional to 16,987,551.40, 23,849,756.60 and 16,987,551.40 is: 23,849,756.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,987,551.40 : 23,849,756.60 = 16,987,551.40 : x
  2. Step 2: Convert to fraction form
    16,987,551.40/23,849,756.60 = 16,987,551.40/x
  3. Step 3: Cross multiply
    16,987,551.40x = 23,849,756.60 × 16,987,551.40
  4. Step 4: Simplify right side
    16,987,551.40x = 405,148,966,119,989.25
  5. Step 5: Solve for x
    x = 405,148,966,119,989.25/16,987,551.40
  6. Step 6: Final answer
    x = 23,849,756.60

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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.