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Finding the Fourth Proportional to 30,662,488.40, 45,993,732.60 and 15,545,944.40

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Solution

The fourth proportional to 30,662,488.40, 45,993,732.60 and 15,545,944.40 is: 23,318,916.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,662,488.40 : 45,993,732.60 = 15,545,944.40 : x
  2. Step 2: Convert to fraction form
    30,662,488.40/45,993,732.60 = 15,545,944.40/x
  3. Step 3: Cross multiply
    30,662,488.40x = 45,993,732.60 × 15,545,944.40
  4. Step 4: Simplify right side
    30,662,488.40x = 715,016,009,748,067.50
  5. Step 5: Solve for x
    x = 715,016,009,748,067.50/30,662,488.40
  6. Step 6: Final answer
    x = 23,318,916.60

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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.