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Finding the Fourth Proportional to 19,584,003.80, 29,376,005.70 and 19,472,029.40

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Solution

The fourth proportional to 19,584,003.80, 29,376,005.70 and 19,472,029.40 is: 29,208,044.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,584,003.80 : 29,376,005.70 = 19,472,029.40 : x
  2. Step 2: Convert to fraction form
    19,584,003.80/29,376,005.70 = 19,472,029.40/x
  3. Step 3: Cross multiply
    19,584,003.80x = 29,376,005.70 × 19,472,029.40
  4. Step 4: Simplify right side
    19,584,003.80x = 572,010,446,644,967.50
  5. Step 5: Solve for x
    x = 572,010,446,644,967.50/19,584,003.80
  6. Step 6: Final answer
    x = 29,208,044.10

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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.