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Finding the Fourth Proportional to 11,592,949.02, 15,997,645.14 and 6,435,978.60

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Solution

The fourth proportional to 11,592,949.02, 15,997,645.14 and 6,435,978.60 is: 8,881,303.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,592,949.02 : 15,997,645.14 = 6,435,978.60 : x
  2. Step 2: Convert to fraction form
    11,592,949.02/15,997,645.14 = 6,435,978.60/x
  3. Step 3: Cross multiply
    11,592,949.02x = 15,997,645.14 × 6,435,978.60
  4. Step 4: Simplify right side
    11,592,949.02x = 102,960,501,771,434
  5. Step 5: Solve for x
    x = 102,960,501,771,434/11,592,949.02
  6. Step 6: Final answer
    x = 8,881,303.76

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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.