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Finding the Fourth Proportional to 4,731,693.76, 7,099,573.92 and 1,537,798.72

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Solution

The fourth proportional to 4,731,693.76, 7,099,573.92 and 1,537,798.72 is: 2,307,358.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,731,693.76 : 7,099,573.92 = 1,537,798.72 : x
  2. Step 2: Convert to fraction form
    4,731,693.76/7,099,573.92 = 1,537,798.72/x
  3. Step 3: Cross multiply
    4,731,693.76x = 7,099,573.92 × 1,537,798.72
  4. Step 4: Simplify right side
    4,731,693.76x = 10,917,715,686,721.38
  5. Step 5: Solve for x
    x = 10,917,715,686,721.38/4,731,693.76
  6. Step 6: Final answer
    x = 2,307,358.90

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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.