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Finding the Fourth Proportional to 19,476,090.30, 29,214,135.45 and 19,476,090.30

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Solution

The fourth proportional to 19,476,090.30, 29,214,135.45 and 19,476,090.30 is: 29,214,135.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,476,090.30 : 29,214,135.45 = 19,476,090.30 : x
  2. Step 2: Convert to fraction form
    19,476,090.30/29,214,135.45 = 19,476,090.30/x
  3. Step 3: Cross multiply
    19,476,090.30x = 29,214,135.45 × 19,476,090.30
  4. Step 4: Simplify right side
    19,476,090.30x = 568,977,140,060,631.12
  5. Step 5: Solve for x
    x = 568,977,140,060,631.12/19,476,090.30
  6. Step 6: Final answer
    x = 29,214,135.45

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Double scale
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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.