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Finding the Fourth Proportional to 14,053,553.55, 19,690,918.20 and 14,053,553.55

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Solution

The fourth proportional to 14,053,553.55, 19,690,918.20 and 14,053,553.55 is: 19,690,918.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,053,553.55 : 19,690,918.20 = 14,053,553.55 : x
  2. Step 2: Convert to fraction form
    14,053,553.55/19,690,918.20 = 14,053,553.55/x
  3. Step 3: Cross multiply
    14,053,553.55x = 19,690,918.20 × 14,053,553.55
  4. Step 4: Simplify right side
    14,053,553.55x = 276,727,373,372,369.62
  5. Step 5: Solve for x
    x = 276,727,373,372,369.62/14,053,553.55
  6. Step 6: Final answer
    x = 19,690,918.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.