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Finding the Fourth Proportional to 51,663.83, 77,477.51 and 16,591.64

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Solution

The fourth proportional to 51,663.83, 77,477.51 and 16,591.64 is: 24,881.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,663.83 : 77,477.51 = 16,591.64 : x
  2. Step 2: Convert to fraction form
    51,663.83/77,477.51 = 16,591.64/x
  3. Step 3: Cross multiply
    51,663.83x = 77,477.51 × 16,591.64
  4. Step 4: Simplify right side
    51,663.83x = 1,285,478,608.11
  5. Step 5: Solve for x
    x = 1,285,478,608.11/51,663.83
  6. Step 6: Final answer
    x = 24,881.60

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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.