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Finding the Fourth Proportional to 7,897,602, 11,846,403 and 1,913,970

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Solution

The fourth proportional to 7,897,602, 11,846,403 and 1,913,970 is: 2,870,955

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,897,602 : 11,846,403 = 1,913,970 : x
  2. Step 2: Convert to fraction form
    7,897,602/11,846,403 = 1,913,970/x
  3. Step 3: Cross multiply
    7,897,602x = 11,846,403 × 1,913,970
  4. Step 4: Simplify right side
    7,897,602x = 22,673,659,949,910
  5. Step 5: Solve for x
    x = 22,673,659,949,910/7,897,602
  6. Step 6: Final answer
    x = 2,870,955

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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.