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Finding the Fourth Proportional to 5,872.49, 8,808.62 and 1,430.18

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Solution

The fourth proportional to 5,872.49, 8,808.62 and 1,430.18 is: 2,145.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,872.49 : 8,808.62 = 1,430.18 : x
  2. Step 2: Convert to fraction form
    5,872.49/8,808.62 = 1,430.18/x
  3. Step 3: Cross multiply
    5,872.49x = 8,808.62 × 1,430.18
  4. Step 4: Simplify right side
    5,872.49x = 12,597,893.99
  5. Step 5: Solve for x
    x = 12,597,893.99/5,872.49
  6. Step 6: Final answer
    x = 2,145.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.