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Finding the Fourth Proportional to 10,618.16, 15,914.93 and 5,940.27

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Solution

The fourth proportional to 10,618.16, 15,914.93 and 5,940.27 is: 8,903.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,618.16 : 15,914.93 = 5,940.27 : x
  2. Step 2: Convert to fraction form
    10,618.16/15,914.93 = 5,940.27/x
  3. Step 3: Cross multiply
    10,618.16x = 15,914.93 × 5,940.27
  4. Step 4: Simplify right side
    10,618.16x = 94,538,951.53
  5. Step 5: Solve for x
    x = 94,538,951.53/10,618.16
  6. Step 6: Final answer
    x = 8,903.52

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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.