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Finding the Fourth Proportional to 5,606.16, 7,736.58 and 3,122.16

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Solution

The fourth proportional to 5,606.16, 7,736.58 and 3,122.16 is: 4,308.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,606.16 : 7,736.58 = 3,122.16 : x
  2. Step 2: Convert to fraction form
    5,606.16/7,736.58 = 3,122.16/x
  3. Step 3: Cross multiply
    5,606.16x = 7,736.58 × 3,122.16
  4. Step 4: Simplify right side
    5,606.16x = 24,154,840.61
  5. Step 5: Solve for x
    x = 24,154,840.61/5,606.16
  6. Step 6: Final answer
    x = 4,308.62

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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.