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Finding the Fourth Proportional to 7,671,935.02, 11,509,418.51 and 2,814,286.63

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Solution

The fourth proportional to 7,671,935.02, 11,509,418.51 and 2,814,286.63 is: 4,221,986.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,671,935.02 : 11,509,418.51 = 2,814,286.63 : x
  2. Step 2: Convert to fraction form
    7,671,935.02/11,509,418.51 = 2,814,286.63/x
  3. Step 3: Cross multiply
    7,671,935.02x = 11,509,418.51 × 2,814,286.63
  4. Step 4: Simplify right side
    7,671,935.02x = 32,390,802,620,700.94
  5. Step 5: Solve for x
    x = 32,390,802,620,700.94/7,671,935.02
  6. Step 6: Final answer
    x = 4,221,986.05

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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.