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Finding the Fourth Proportional to 8,754.67, 13,135.65 and 4,370.95

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Solution

The fourth proportional to 8,754.67, 13,135.65 and 4,370.95 is: 6,558.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,754.67 : 13,135.65 = 4,370.95 : x
  2. Step 2: Convert to fraction form
    8,754.67/13,135.65 = 4,370.95/x
  3. Step 3: Cross multiply
    8,754.67x = 13,135.65 × 4,370.95
  4. Step 4: Simplify right side
    8,754.67x = 57,415,269.37
  5. Step 5: Solve for x
    x = 57,415,269.37/8,754.67
  6. Step 6: Final answer
    x = 6,558.24

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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.