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Finding the Fourth Proportional to 9,279.51, 13,918.52 and 4,534.20

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Solution

The fourth proportional to 9,279.51, 13,918.52 and 4,534.20 is: 6,800.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,279.51 : 13,918.52 = 4,534.20 : x
  2. Step 2: Convert to fraction form
    9,279.51/13,918.52 = 4,534.20/x
  3. Step 3: Cross multiply
    9,279.51x = 13,918.52 × 4,534.20
  4. Step 4: Simplify right side
    9,279.51x = 63,109,330.71
  5. Step 5: Solve for x
    x = 63,109,330.71/9,279.51
  6. Step 6: Final answer
    x = 6,800.93

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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.