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Finding the Fourth Proportional to 15,303.76, 22,943.48 and 5,943.40

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Solution

The fourth proportional to 15,303.76, 22,943.48 and 5,943.40 is: 8,910.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,303.76 : 22,943.48 = 5,943.40 : x
  2. Step 2: Convert to fraction form
    15,303.76/22,943.48 = 5,943.40/x
  3. Step 3: Cross multiply
    15,303.76x = 22,943.48 × 5,943.40
  4. Step 4: Simplify right side
    15,303.76x = 136,362,191.96
  5. Step 5: Solve for x
    x = 136,362,191.96/15,303.76
  6. Step 6: Final answer
    x = 8,910.37

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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.