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Finding the Fourth Proportional to 7,653.51, 10,561.04 and 4,296.39

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Solution

The fourth proportional to 7,653.51, 10,561.04 and 4,296.39 is: 5,928.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,653.51 : 10,561.04 = 4,296.39 : x
  2. Step 2: Convert to fraction form
    7,653.51/10,561.04 = 4,296.39/x
  3. Step 3: Cross multiply
    7,653.51x = 10,561.04 × 4,296.39
  4. Step 4: Simplify right side
    7,653.51x = 45,374,325.16
  5. Step 5: Solve for x
    x = 45,374,325.16/7,653.51
  6. Step 6: Final answer
    x = 5,928.56

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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.