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Finding the Fourth Proportional to 14,763.87, 22,141.01 and 4,900.50

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Solution

The fourth proportional to 14,763.87, 22,141.01 and 4,900.50 is: 7,349.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,763.87 : 22,141.01 = 4,900.50 : x
  2. Step 2: Convert to fraction form
    14,763.87/22,141.01 = 4,900.50/x
  3. Step 3: Cross multiply
    14,763.87x = 22,141.01 × 4,900.50
  4. Step 4: Simplify right side
    14,763.87x = 108,502,031.76
  5. Step 5: Solve for x
    x = 108,502,031.76/14,763.87
  6. Step 6: Final answer
    x = 7,349.16

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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.