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Finding the Fourth Proportional to 8,642,957.07, 11,927,256.28 and 4,775,450.68

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Solution

The fourth proportional to 8,642,957.07, 11,927,256.28 and 4,775,450.68 is: 6,590,108.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,642,957.07 : 11,927,256.28 = 4,775,450.68 : x
  2. Step 2: Convert to fraction form
    8,642,957.07/11,927,256.28 = 4,775,450.68/x
  3. Step 3: Cross multiply
    8,642,957.07x = 11,927,256.28 × 4,775,450.68
  4. Step 4: Simplify right side
    8,642,957.07x = 56,958,024,115,830.72
  5. Step 5: Solve for x
    x = 56,958,024,115,830.72/8,642,957.07
  6. Step 6: Final answer
    x = 6,590,108.41

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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.