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Finding the Fourth Proportional to 7,235.54, 10,853.32 and 6,866.18

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Solution

The fourth proportional to 7,235.54, 10,853.32 and 6,866.18 is: 10,299.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,235.54 : 10,853.32 = 6,866.18 : x
  2. Step 2: Convert to fraction form
    7,235.54/10,853.32 = 6,866.18/x
  3. Step 3: Cross multiply
    7,235.54x = 10,853.32 × 6,866.18
  4. Step 4: Simplify right side
    7,235.54x = 74,520,848.72
  5. Step 5: Solve for x
    x = 74,520,848.72/7,235.54
  6. Step 6: Final answer
    x = 10,299.28

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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.