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Finding the Fourth Proportional to 28,082,696, 42,124,044 and 6,807,560

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Solution

The fourth proportional to 28,082,696, 42,124,044 and 6,807,560 is: 10,211,340

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,082,696 : 42,124,044 = 6,807,560 : x
  2. Step 2: Convert to fraction form
    28,082,696/42,124,044 = 6,807,560/x
  3. Step 3: Cross multiply
    28,082,696x = 42,124,044 × 6,807,560
  4. Step 4: Simplify right side
    28,082,696x = 286,761,956,972,640
  5. Step 5: Solve for x
    x = 286,761,956,972,640/28,082,696
  6. Step 6: Final answer
    x = 10,211,340

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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.