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Finding the Fourth Proportional to 30,644,216.60, 45,966,324.90 and 15,527,672.60

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Solution

The fourth proportional to 30,644,216.60, 45,966,324.90 and 15,527,672.60 is: 23,291,508.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,644,216.60 : 45,966,324.90 = 15,527,672.60 : x
  2. Step 2: Convert to fraction form
    30,644,216.60/45,966,324.90 = 15,527,672.60/x
  3. Step 3: Cross multiply
    30,644,216.60x = 45,966,324.90 × 15,527,672.60
  4. Step 4: Simplify right side
    30,644,216.60x = 713,750,043,672,427.75
  5. Step 5: Solve for x
    x = 713,750,043,672,427.75/30,644,216.60
  6. Step 6: Final answer
    x = 23,291,508.90

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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.