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Finding the Fourth Proportional to 7,435.01, 10,260.23 and 4,077.81

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Solution

The fourth proportional to 7,435.01, 10,260.23 and 4,077.81 is: 5,627.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,435.01 : 10,260.23 = 4,077.81 : x
  2. Step 2: Convert to fraction form
    7,435.01/10,260.23 = 4,077.81/x
  3. Step 3: Cross multiply
    7,435.01x = 10,260.23 × 4,077.81
  4. Step 4: Simplify right side
    7,435.01x = 41,839,268.50
  5. Step 5: Solve for x
    x = 41,839,268.50/7,435.01
  6. Step 6: Final answer
    x = 5,627.33

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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.