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Finding the Fourth Proportional to 7,015.01, 9,684.19 and 4,892.23

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Solution

The fourth proportional to 7,015.01, 9,684.19 and 4,892.23 is: 6,753.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,015.01 : 9,684.19 = 4,892.23 : x
  2. Step 2: Convert to fraction form
    7,015.01/9,684.19 = 4,892.23/x
  3. Step 3: Cross multiply
    7,015.01x = 9,684.19 × 4,892.23
  4. Step 4: Simplify right side
    7,015.01x = 47,377,303.06
  5. Step 5: Solve for x
    x = 47,377,303.06/7,015.01
  6. Step 6: Final answer
    x = 6,753.71

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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.