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Finding the Fourth Proportional to 11,662,894.88, 16,094,663.88 and 6,435,943.28

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Solution

The fourth proportional to 11,662,894.88, 16,094,663.88 and 6,435,943.28 is: 8,881,529.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,662,894.88 : 16,094,663.88 = 6,435,943.28 : x
  2. Step 2: Convert to fraction form
    11,662,894.88/16,094,663.88 = 6,435,943.28/x
  3. Step 3: Cross multiply
    11,662,894.88x = 16,094,663.88 × 6,435,943.28
  4. Step 4: Simplify right side
    11,662,894.88x = 103,584,343,842,344.73
  5. Step 5: Solve for x
    x = 103,584,343,842,344.73/11,662,894.88
  6. Step 6: Final answer
    x = 8,881,529.41

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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.