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Finding the Fourth Proportional to 9,808.88, 13,536.38 and 5,332.63

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Solution

The fourth proportional to 9,808.88, 13,536.38 and 5,332.63 is: 7,359.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,808.88 : 13,536.38 = 5,332.63 : x
  2. Step 2: Convert to fraction form
    9,808.88/13,536.38 = 5,332.63/x
  3. Step 3: Cross multiply
    9,808.88x = 13,536.38 × 5,332.63
  4. Step 4: Simplify right side
    9,808.88x = 72,184,485.57
  5. Step 5: Solve for x
    x = 72,184,485.57/9,808.88
  6. Step 6: Final answer
    x = 7,359.10

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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.