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Finding the Fourth Proportional to 5,443.64, 7,510.07 and 3,554.62

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Solution

The fourth proportional to 5,443.64, 7,510.07 and 3,554.62 is: 4,903.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,443.64 : 7,510.07 = 3,554.62 : x
  2. Step 2: Convert to fraction form
    5,443.64/7,510.07 = 3,554.62/x
  3. Step 3: Cross multiply
    5,443.64x = 7,510.07 × 3,554.62
  4. Step 4: Simplify right side
    5,443.64x = 26,695,427.25
  5. Step 5: Solve for x
    x = 26,695,427.25/5,443.64
  6. Step 6: Final answer
    x = 4,903.97

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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.