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Finding the Fourth Proportional to 5,602.48, 7,719.12 and 3,736.24

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Solution

The fourth proportional to 5,602.48, 7,719.12 and 3,736.24 is: 5,147.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,602.48 : 7,719.12 = 3,736.24 : x
  2. Step 2: Convert to fraction form
    5,602.48/7,719.12 = 3,736.24/x
  3. Step 3: Cross multiply
    5,602.48x = 7,719.12 × 3,736.24
  4. Step 4: Simplify right side
    5,602.48x = 28,840,484.91
  5. Step 5: Solve for x
    x = 28,840,484.91/5,602.48
  6. Step 6: Final answer
    x = 5,147.81

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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.