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Finding the Fourth Proportional to 5,277.36, 7,277.94 and 4,531.08

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Solution

The fourth proportional to 5,277.36, 7,277.94 and 4,531.08 is: 6,248.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.36 : 7,277.94 = 4,531.08 : x
  2. Step 2: Convert to fraction form
    5,277.36/7,277.94 = 4,531.08/x
  3. Step 3: Cross multiply
    5,277.36x = 7,277.94 × 4,531.08
  4. Step 4: Simplify right side
    5,277.36x = 32,976,928.38
  5. Step 5: Solve for x
    x = 32,976,928.38/5,277.36
  6. Step 6: Final answer
    x = 6,248.75

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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.