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Finding the Fourth Proportional to 56,510,260, 84,778,026 and 20,608,468

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Solution

The fourth proportional to 56,510,260, 84,778,026 and 20,608,468 is: 30,917,310.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,510,260 : 84,778,026 = 20,608,468 : x
  2. Step 2: Convert to fraction form
    56,510,260/84,778,026 = 20,608,468/x
  3. Step 3: Cross multiply
    56,510,260x = 84,778,026 × 20,608,468
  4. Step 4: Simplify right side
    56,510,260x = 1,747,145,235,924,168
  5. Step 5: Solve for x
    x = 1,747,145,235,924,168/56,510,260
  6. Step 6: Final answer
    x = 30,917,310.16

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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.