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Finding the Fourth Proportional to 15,953.80, 23,930.01 and 4,267.02

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Solution

The fourth proportional to 15,953.80, 23,930.01 and 4,267.02 is: 6,400.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,953.80 : 23,930.01 = 4,267.02 : x
  2. Step 2: Convert to fraction form
    15,953.80/23,930.01 = 4,267.02/x
  3. Step 3: Cross multiply
    15,953.80x = 23,930.01 × 4,267.02
  4. Step 4: Simplify right side
    15,953.80x = 102,109,831.27
  5. Step 5: Solve for x
    x = 102,109,831.27/15,953.80
  6. Step 6: Final answer
    x = 6,400.35

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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.