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Finding the Fourth Proportional to 18,589,628.40, 27,884,442.60 and 17,329,916.40

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Solution

The fourth proportional to 18,589,628.40, 27,884,442.60 and 17,329,916.40 is: 25,994,874.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,589,628.40 : 27,884,442.60 = 17,329,916.40 : x
  2. Step 2: Convert to fraction form
    18,589,628.40/27,884,442.60 = 17,329,916.40/x
  3. Step 3: Cross multiply
    18,589,628.40x = 27,884,442.60 × 17,329,916.40
  4. Step 4: Simplify right side
    18,589,628.40x = 483,235,059,118,598.62
  5. Step 5: Solve for x
    x = 483,235,059,118,598.62/18,589,628.40
  6. Step 6: Final answer
    x = 25,994,874.60

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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.