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Finding the Fourth Proportional to 8,601.95, 12,870.32 and 5,093.84

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Solution

The fourth proportional to 8,601.95, 12,870.32 and 5,093.84 is: 7,621.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,601.95 : 12,870.32 = 5,093.84 : x
  2. Step 2: Convert to fraction form
    8,601.95/12,870.32 = 5,093.84/x
  3. Step 3: Cross multiply
    8,601.95x = 12,870.32 × 5,093.84
  4. Step 4: Simplify right side
    8,601.95x = 65,559,299.47
  5. Step 5: Solve for x
    x = 65,559,299.47/8,601.95
  6. Step 6: Final answer
    x = 7,621.45

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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.