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Finding the Fourth Proportional to 19,797,322.70, 29,672,364.45 and 17,766,037.10

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Solution

The fourth proportional to 19,797,322.70, 29,672,364.45 and 17,766,037.10 is: 26,627,859.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,797,322.70 : 29,672,364.45 = 17,766,037.10 : x
  2. Step 2: Convert to fraction form
    19,797,322.70/29,672,364.45 = 17,766,037.10/x
  3. Step 3: Cross multiply
    19,797,322.70x = 29,672,364.45 × 17,766,037.10
  4. Step 4: Simplify right side
    19,797,322.70x = 527,160,327,663,421.12
  5. Step 5: Solve for x
    x = 527,160,327,663,421.12/19,797,322.70
  6. Step 6: Final answer
    x = 26,627,859.52

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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.