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Finding the Fourth Proportional to 7,010.56, 9,674.22 and 4,026.16

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Solution

The fourth proportional to 7,010.56, 9,674.22 and 4,026.16 is: 5,555.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,010.56 : 9,674.22 = 4,026.16 : x
  2. Step 2: Convert to fraction form
    7,010.56/9,674.22 = 4,026.16/x
  3. Step 3: Cross multiply
    7,010.56x = 9,674.22 × 4,026.16
  4. Step 4: Simplify right side
    7,010.56x = 38,949,957.60
  5. Step 5: Solve for x
    x = 38,949,957.60/7,010.56
  6. Step 6: Final answer
    x = 5,555.90

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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.