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Finding the Fourth Proportional to 13,232,894.60, 18,563,843.80 and 13,232,894.60

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Solution

The fourth proportional to 13,232,894.60, 18,563,843.80 and 13,232,894.60 is: 18,563,843.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,232,894.60 : 18,563,843.80 = 13,232,894.60 : x
  2. Step 2: Convert to fraction form
    13,232,894.60/18,563,843.80 = 13,232,894.60/x
  3. Step 3: Cross multiply
    13,232,894.60x = 18,563,843.80 × 13,232,894.60
  4. Step 4: Simplify right side
    13,232,894.60x = 245,653,388,376,263.47
  5. Step 5: Solve for x
    x = 245,653,388,376,263.47/13,232,894.60
  6. Step 6: Final answer
    x = 18,563,843.80

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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.