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Finding the Fourth Proportional to 16,706,945.60, 25,060,418.40 and 10,296,411.20

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Solution

The fourth proportional to 16,706,945.60, 25,060,418.40 and 10,296,411.20 is: 15,444,616.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,706,945.60 : 25,060,418.40 = 10,296,411.20 : x
  2. Step 2: Convert to fraction form
    16,706,945.60/25,060,418.40 = 10,296,411.20/x
  3. Step 3: Cross multiply
    16,706,945.60x = 25,060,418.40 × 10,296,411.20
  4. Step 4: Simplify right side
    16,706,945.60x = 258,032,372,690,446.03
  5. Step 5: Solve for x
    x = 258,032,372,690,446.03/16,706,945.60
  6. Step 6: Final answer
    x = 15,444,616.80

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1.5x scale

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.