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Finding the Fourth Proportional to 7,558.56, 10,421.28 and 5,962.32

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Solution

The fourth proportional to 7,558.56, 10,421.28 and 5,962.32 is: 8,220.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,558.56 : 10,421.28 = 5,962.32 : x
  2. Step 2: Convert to fraction form
    7,558.56/10,421.28 = 5,962.32/x
  3. Step 3: Cross multiply
    7,558.56x = 10,421.28 × 5,962.32
  4. Step 4: Simplify right side
    7,558.56x = 62,135,006.17
  5. Step 5: Solve for x
    x = 62,135,006.17/7,558.56
  6. Step 6: Final answer
    x = 8,220.48

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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.