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Finding the Fourth Proportional to 51,911.61, 77,860.02 and 16,368.33

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Solution

The fourth proportional to 51,911.61, 77,860.02 and 16,368.33 is: 24,550.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,911.61 : 77,860.02 = 16,368.33 : x
  2. Step 2: Convert to fraction form
    51,911.61/77,860.02 = 16,368.33/x
  3. Step 3: Cross multiply
    51,911.61x = 77,860.02 × 16,368.33
  4. Step 4: Simplify right side
    51,911.61x = 1,274,438,501.17
  5. Step 5: Solve for x
    x = 1,274,438,501.17/51,911.61
  6. Step 6: Final answer
    x = 24,550.16

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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.