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Finding the Fourth Proportional to 1,713.68, 2,557.04 and 1,609.18

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Solution

The fourth proportional to 1,713.68, 2,557.04 and 1,609.18 is: 2,401.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,713.68 : 2,557.04 = 1,609.18 : x
  2. Step 2: Convert to fraction form
    1,713.68/2,557.04 = 1,609.18/x
  3. Step 3: Cross multiply
    1,713.68x = 2,557.04 × 1,609.18
  4. Step 4: Simplify right side
    1,713.68x = 4,114,737.63
  5. Step 5: Solve for x
    x = 4,114,737.63/1,713.68
  6. Step 6: Final answer
    x = 2,401.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.