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Finding the Fourth Proportional to 7,650.92, 10,558.14 and 4,507.64

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Solution

The fourth proportional to 7,650.92, 10,558.14 and 4,507.64 is: 6,220.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,650.92 : 10,558.14 = 4,507.64 : x
  2. Step 2: Convert to fraction form
    7,650.92/10,558.14 = 4,507.64/x
  3. Step 3: Cross multiply
    7,650.92x = 10,558.14 × 4,507.64
  4. Step 4: Simplify right side
    7,650.92x = 47,592,294.19
  5. Step 5: Solve for x
    x = 47,592,294.19/7,650.92
  6. Step 6: Final answer
    x = 6,220.47

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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.