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Finding the Fourth Proportional to 20,595,702.60, 30,893,553.90 and 19,650,918.60

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Solution

The fourth proportional to 20,595,702.60, 30,893,553.90 and 19,650,918.60 is: 29,476,377.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,595,702.60 : 30,893,553.90 = 19,650,918.60 : x
  2. Step 2: Convert to fraction form
    20,595,702.60/30,893,553.90 = 19,650,918.60/x
  3. Step 3: Cross multiply
    20,595,702.60x = 30,893,553.90 × 19,650,918.60
  4. Step 4: Simplify right side
    20,595,702.60x = 607,086,712,953,612.50
  5. Step 5: Solve for x
    x = 607,086,712,953,612.50/20,595,702.60
  6. Step 6: Final answer
    x = 29,476,377.90

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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.