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Finding the Fourth Proportional to 5,596.70, 7,731.51 and 5,539.10

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Solution

The fourth proportional to 5,596.70, 7,731.51 and 5,539.10 is: 7,651.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,596.70 : 7,731.51 = 5,539.10 : x
  2. Step 2: Convert to fraction form
    5,596.70/7,731.51 = 5,539.10/x
  3. Step 3: Cross multiply
    5,596.70x = 7,731.51 × 5,539.10
  4. Step 4: Simplify right side
    5,596.70x = 42,825,607.04
  5. Step 5: Solve for x
    x = 42,825,607.04/5,596.70
  6. Step 6: Final answer
    x = 7,651.94

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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.