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Finding the Fourth Proportional to 5,737,898.66, 7,918,300.14 and 3,159,573.30

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Solution

The fourth proportional to 5,737,898.66, 7,918,300.14 and 3,159,573.30 is: 4,360,211.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,737,898.66 : 7,918,300.14 = 3,159,573.30 : x
  2. Step 2: Convert to fraction form
    5,737,898.66/7,918,300.14 = 3,159,573.30/x
  3. Step 3: Cross multiply
    5,737,898.66x = 7,918,300.14 × 3,159,573.30
  4. Step 4: Simplify right side
    5,737,898.66x = 25,018,449,703,730.26
  5. Step 5: Solve for x
    x = 25,018,449,703,730.26/5,737,898.66
  6. Step 6: Final answer
    x = 4,360,211.15

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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.