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Finding the Fourth Proportional to 15,698,675.82, 23,548,013.96 and 4,916,820.49

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Solution

The fourth proportional to 15,698,675.82, 23,548,013.96 and 4,916,820.49 is: 7,375,230.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,698,675.82 : 23,548,013.96 = 4,916,820.49 : x
  2. Step 2: Convert to fraction form
    15,698,675.82/23,548,013.96 = 4,916,820.49/x
  3. Step 3: Cross multiply
    15,698,675.82x = 23,548,013.96 × 4,916,820.49
  4. Step 4: Simplify right side
    15,698,675.82x = 115,781,357,586,337.47
  5. Step 5: Solve for x
    x = 115,781,357,586,337.47/15,698,675.82
  6. Step 6: Final answer
    x = 7,375,230.81

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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.