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Finding the Fourth Proportional to 21,923,604.40, 32,838,167.40 and 18,144,468.40

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Solution

The fourth proportional to 21,923,604.40, 32,838,167.40 and 18,144,468.40 is: 27,177,606.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,923,604.40 : 32,838,167.40 = 18,144,468.40 : x
  2. Step 2: Convert to fraction form
    21,923,604.40/32,838,167.40 = 18,144,468.40/x
  3. Step 3: Cross multiply
    21,923,604.40x = 32,838,167.40 × 18,144,468.40
  4. Step 4: Simplify right side
    21,923,604.40x = 595,831,090,703,210.12
  5. Step 5: Solve for x
    x = 595,831,090,703,210.12/21,923,604.40
  6. Step 6: Final answer
    x = 27,177,606.37

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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.