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Finding the Fourth Proportional to 5,437.72, 7,502.99 and 3,047.51

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Solution

The fourth proportional to 5,437.72, 7,502.99 and 3,047.51 is: 4,204.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,437.72 : 7,502.99 = 3,047.51 : x
  2. Step 2: Convert to fraction form
    5,437.72/7,502.99 = 3,047.51/x
  3. Step 3: Cross multiply
    5,437.72x = 7,502.99 × 3,047.51
  4. Step 4: Simplify right side
    5,437.72x = 22,865,437.05
  5. Step 5: Solve for x
    x = 22,865,437.05/5,437.72
  6. Step 6: Final answer
    x = 4,204.97

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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.