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Finding the Fourth Proportional to 7,362, 10,159.69 and 4,004.89

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Solution

The fourth proportional to 7,362, 10,159.69 and 4,004.89 is: 5,526.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,362 : 10,159.69 = 4,004.89 : x
  2. Step 2: Convert to fraction form
    7,362/10,159.69 = 4,004.89/x
  3. Step 3: Cross multiply
    7,362x = 10,159.69 × 4,004.89
  4. Step 4: Simplify right side
    7,362x = 40,688,440.88
  5. Step 5: Solve for x
    x = 40,688,440.88/7,362
  6. Step 6: Final answer
    x = 5,526.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.