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Finding the Fourth Proportional to 5,407.73, 8,072.48 and 4,751.63

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Solution

The fourth proportional to 5,407.73, 8,072.48 and 4,751.63 is: 7,093.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,407.73 : 8,072.48 = 4,751.63 : x
  2. Step 2: Convert to fraction form
    5,407.73/8,072.48 = 4,751.63/x
  3. Step 3: Cross multiply
    5,407.73x = 8,072.48 × 4,751.63
  4. Step 4: Simplify right side
    5,407.73x = 38,357,438.14
  5. Step 5: Solve for x
    x = 38,357,438.14/5,407.73
  6. Step 6: Final answer
    x = 7,093.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.