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Finding the Fourth Proportional to 7,290.60, 10,935.90 and 4,010.10

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Solution

The fourth proportional to 7,290.60, 10,935.90 and 4,010.10 is: 6,015.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290.60 : 10,935.90 = 4,010.10 : x
  2. Step 2: Convert to fraction form
    7,290.60/10,935.90 = 4,010.10/x
  3. Step 3: Cross multiply
    7,290.60x = 10,935.90 × 4,010.10
  4. Step 4: Simplify right side
    7,290.60x = 43,854,052.59
  5. Step 5: Solve for x
    x = 43,854,052.59/7,290.60
  6. Step 6: Final answer
    x = 6,015.15

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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.