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Finding the Fourth Proportional to 5,632.46, 7,773.14 and 4,039.59

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Solution

The fourth proportional to 5,632.46, 7,773.14 and 4,039.59 is: 5,574.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,632.46 : 7,773.14 = 4,039.59 : x
  2. Step 2: Convert to fraction form
    5,632.46/7,773.14 = 4,039.59/x
  3. Step 3: Cross multiply
    5,632.46x = 7,773.14 × 4,039.59
  4. Step 4: Simplify right side
    5,632.46x = 31,400,278.41
  5. Step 5: Solve for x
    x = 31,400,278.41/5,632.46
  6. Step 6: Final answer
    x = 5,574.88

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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.