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Finding the Fourth Proportional to 7,671,936.02, 11,509,420.01 and 2,814,287.63

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Solution

The fourth proportional to 7,671,936.02, 11,509,420.01 and 2,814,287.63 is: 4,221,987.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,671,936.02 : 11,509,420.01 = 2,814,287.63 : x
  2. Step 2: Convert to fraction form
    7,671,936.02/11,509,420.01 = 2,814,287.63/x
  3. Step 3: Cross multiply
    7,671,936.02x = 11,509,420.01 × 2,814,287.63
  4. Step 4: Simplify right side
    7,671,936.02x = 32,390,818,362,617.47
  5. Step 5: Solve for x
    x = 32,390,818,362,617.47/7,671,936.02
  6. Step 6: Final answer
    x = 4,221,987.55

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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.