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Finding the Fourth Proportional to 6,652.25, 9,978.42 and 2,953.49

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Solution

The fourth proportional to 6,652.25, 9,978.42 and 2,953.49 is: 4,430.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,652.25 : 9,978.42 = 2,953.49 : x
  2. Step 2: Convert to fraction form
    6,652.25/9,978.42 = 2,953.49/x
  3. Step 3: Cross multiply
    6,652.25x = 9,978.42 × 2,953.49
  4. Step 4: Simplify right side
    6,652.25x = 29,471,113.79
  5. Step 5: Solve for x
    x = 29,471,113.79/6,652.25
  6. Step 6: Final answer
    x = 4,430.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.