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Finding the Fourth Proportional to 5,328.76, 7,351 and 3,562.72

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Solution

The fourth proportional to 5,328.76, 7,351 and 3,562.72 is: 4,914.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328.76 : 7,351 = 3,562.72 : x
  2. Step 2: Convert to fraction form
    5,328.76/7,351 = 3,562.72/x
  3. Step 3: Cross multiply
    5,328.76x = 7,351 × 3,562.72
  4. Step 4: Simplify right side
    5,328.76x = 26,189,554.72
  5. Step 5: Solve for x
    x = 26,189,554.72/5,328.76
  6. Step 6: Final answer
    x = 4,914.76

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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.