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Finding the Fourth Proportional to 5,595.09, 7,721.21 and 3,077.24

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Solution

The fourth proportional to 5,595.09, 7,721.21 and 3,077.24 is: 4,246.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,595.09 : 7,721.21 = 3,077.24 : x
  2. Step 2: Convert to fraction form
    5,595.09/7,721.21 = 3,077.24/x
  3. Step 3: Cross multiply
    5,595.09x = 7,721.21 × 3,077.24
  4. Step 4: Simplify right side
    5,595.09x = 23,759,962.27
  5. Step 5: Solve for x
    x = 23,759,962.27/5,595.09
  6. Step 6: Final answer
    x = 4,246.57

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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.