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Finding the Fourth Proportional to 7,047,262, 10,570,893 and 1,728,478

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Solution

The fourth proportional to 7,047,262, 10,570,893 and 1,728,478 is: 2,592,717

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,047,262 : 10,570,893 = 1,728,478 : x
  2. Step 2: Convert to fraction form
    7,047,262/10,570,893 = 1,728,478/x
  3. Step 3: Cross multiply
    7,047,262x = 10,570,893 × 1,728,478
  4. Step 4: Simplify right side
    7,047,262x = 18,271,555,990,854
  5. Step 5: Solve for x
    x = 18,271,555,990,854/7,047,262
  6. Step 6: Final answer
    x = 2,592,717

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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.