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Finding the Fourth Proportional to 7,062.11, 9,742.93 and 4,077.36

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Solution

The fourth proportional to 7,062.11, 9,742.93 and 4,077.36 is: 5,625.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,062.11 : 9,742.93 = 4,077.36 : x
  2. Step 2: Convert to fraction form
    7,062.11/9,742.93 = 4,077.36/x
  3. Step 3: Cross multiply
    7,062.11x = 9,742.93 × 4,077.36
  4. Step 4: Simplify right side
    7,062.11x = 39,725,433.06
  5. Step 5: Solve for x
    x = 39,725,433.06/7,062.11
  6. Step 6: Final answer
    x = 5,625.15

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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.