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Finding the Fourth Proportional to 6,602,802.80, 9,904,204.20 and 4,689,615.20

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Solution

The fourth proportional to 6,602,802.80, 9,904,204.20 and 4,689,615.20 is: 7,034,422.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,602,802.80 : 9,904,204.20 = 4,689,615.20 : x
  2. Step 2: Convert to fraction form
    6,602,802.80/9,904,204.20 = 4,689,615.20/x
  3. Step 3: Cross multiply
    6,602,802.80x = 9,904,204.20 × 4,689,615.20
  4. Step 4: Simplify right side
    6,602,802.80x = 46,446,906,560,223.84
  5. Step 5: Solve for x
    x = 46,446,906,560,223.84/6,602,802.80
  6. Step 6: Final answer
    x = 7,034,422.80

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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.