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Finding the Fourth Proportional to 15,765,311.10, 23,647,966.65 and 15,765,311.10

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Solution

The fourth proportional to 15,765,311.10, 23,647,966.65 and 15,765,311.10 is: 23,647,966.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,765,311.10 : 23,647,966.65 = 15,765,311.10 : x
  2. Step 2: Convert to fraction form
    15,765,311.10/23,647,966.65 = 15,765,311.10/x
  3. Step 3: Cross multiply
    15,765,311.10x = 23,647,966.65 × 15,765,311.10
  4. Step 4: Simplify right side
    15,765,311.10x = 372,817,551,119,674.81
  5. Step 5: Solve for x
    x = 372,817,551,119,674.81/15,765,311.10
  6. Step 6: Final answer
    x = 23,647,966.65

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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.