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Finding the Fourth Proportional to 7,279.63, 10,892.93 and 6,303.94

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Solution

The fourth proportional to 7,279.63, 10,892.93 and 6,303.94 is: 9,432.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,279.63 : 10,892.93 = 6,303.94 : x
  2. Step 2: Convert to fraction form
    7,279.63/10,892.93 = 6,303.94/x
  3. Step 3: Cross multiply
    7,279.63x = 10,892.93 × 6,303.94
  4. Step 4: Simplify right side
    7,279.63x = 68,668,373.72
  5. Step 5: Solve for x
    x = 68,668,373.72/7,279.63
  6. Step 6: Final answer
    x = 9,432.94

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1.5x scale

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.