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Finding the Fourth Proportional to 4,896.72, 7,347.11 and 4,686.53

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Solution

The fourth proportional to 4,896.72, 7,347.11 and 4,686.53 is: 7,031.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,896.72 : 7,347.11 = 4,686.53 : x
  2. Step 2: Convert to fraction form
    4,896.72/7,347.11 = 4,686.53/x
  3. Step 3: Cross multiply
    4,896.72x = 7,347.11 × 4,686.53
  4. Step 4: Simplify right side
    4,896.72x = 34,432,391.26
  5. Step 5: Solve for x
    x = 34,432,391.26/4,896.72
  6. Step 6: Final answer
    x = 7,031.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.