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Finding the Fourth Proportional to 17,218,692.52, 23,762,873.78 and 9,483,731.96

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Solution

The fourth proportional to 17,218,692.52, 23,762,873.78 and 9,483,731.96 is: 13,088,143.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,218,692.52 : 23,762,873.78 = 9,483,731.96 : x
  2. Step 2: Convert to fraction form
    17,218,692.52/23,762,873.78 = 9,483,731.96/x
  3. Step 3: Cross multiply
    17,218,692.52x = 23,762,873.78 × 9,483,731.96
  4. Step 4: Simplify right side
    17,218,692.52x = 225,360,725,528,832.03
  5. Step 5: Solve for x
    x = 225,360,725,528,832.03/17,218,692.52
  6. Step 6: Final answer
    x = 13,088,143.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.