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Finding the Fourth Proportional to 7,207.04, 9,951.63 and 6,840.11

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Solution

The fourth proportional to 7,207.04, 9,951.63 and 6,840.11 is: 9,444.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207.04 : 9,951.63 = 6,840.11 : x
  2. Step 2: Convert to fraction form
    7,207.04/9,951.63 = 6,840.11/x
  3. Step 3: Cross multiply
    7,207.04x = 9,951.63 × 6,840.11
  4. Step 4: Simplify right side
    7,207.04x = 68,070,243.11
  5. Step 5: Solve for x
    x = 68,070,243.11/7,207.04
  6. Step 6: Final answer
    x = 9,444.96

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1.5x scale

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.