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Finding the Fourth Proportional to 51,866.76, 77,800.14 and 14,425.32

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Solution

The fourth proportional to 51,866.76, 77,800.14 and 14,425.32 is: 21,637.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,866.76 : 77,800.14 = 14,425.32 : x
  2. Step 2: Convert to fraction form
    51,866.76/77,800.14 = 14,425.32/x
  3. Step 3: Cross multiply
    51,866.76x = 77,800.14 × 14,425.32
  4. Step 4: Simplify right side
    51,866.76x = 1,122,291,915.54
  5. Step 5: Solve for x
    x = 1,122,291,915.54/51,866.76
  6. Step 6: Final answer
    x = 21,637.98

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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.