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Finding the Fourth Proportional to 14,751, 22,123.80 and 4,889.16

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Solution

The fourth proportional to 14,751, 22,123.80 and 4,889.16 is: 7,332.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,751 : 22,123.80 = 4,889.16 : x
  2. Step 2: Convert to fraction form
    14,751/22,123.80 = 4,889.16/x
  3. Step 3: Cross multiply
    14,751x = 22,123.80 × 4,889.16
  4. Step 4: Simplify right side
    14,751x = 108,166,798.01
  5. Step 5: Solve for x
    x = 108,166,798.01/14,751
  6. Step 6: Final answer
    x = 7,332.85

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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.