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Finding the Fourth Proportional to 5,534.72, 7,638 and 3,050.72

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Solution

The fourth proportional to 5,534.72, 7,638 and 3,050.72 is: 4,210.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,534.72 : 7,638 = 3,050.72 : x
  2. Step 2: Convert to fraction form
    5,534.72/7,638 = 3,050.72/x
  3. Step 3: Cross multiply
    5,534.72x = 7,638 × 3,050.72
  4. Step 4: Simplify right side
    5,534.72x = 23,301,399.36
  5. Step 5: Solve for x
    x = 23,301,399.36/5,534.72
  6. Step 6: Final answer
    x = 4,210.04

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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.