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Finding the Fourth Proportional to 29,895,636.60, 41,255,978.40 and 16,144,599.78

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Solution

The fourth proportional to 29,895,636.60, 41,255,978.40 and 16,144,599.78 is: 22,279,547.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,895,636.60 : 41,255,978.40 = 16,144,599.78 : x
  2. Step 2: Convert to fraction form
    29,895,636.60/41,255,978.40 = 16,144,599.78/x
  3. Step 3: Cross multiply
    29,895,636.60x = 41,255,978.40 × 16,144,599.78
  4. Step 4: Simplify right side
    29,895,636.60x = 666,061,259,800,324.75
  5. Step 5: Solve for x
    x = 666,061,259,800,324.75/29,895,636.60
  6. Step 6: Final answer
    x = 22,279,547.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.