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Finding the Fourth Proportional to 3,242.22, 4,473.23 and 1,916.37

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Solution

The fourth proportional to 3,242.22, 4,473.23 and 1,916.37 is: 2,643.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,242.22 : 4,473.23 = 1,916.37 : x
  2. Step 2: Convert to fraction form
    3,242.22/4,473.23 = 1,916.37/x
  3. Step 3: Cross multiply
    3,242.22x = 4,473.23 × 1,916.37
  4. Step 4: Simplify right side
    3,242.22x = 8,572,354.19
  5. Step 5: Solve for x
    x = 8,572,354.19/3,242.22
  6. Step 6: Final answer
    x = 2,643.98

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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.