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Finding the Fourth Proportional to 5,900.90, 8,851.35 and 2,612.30

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Solution

The fourth proportional to 5,900.90, 8,851.35 and 2,612.30 is: 3,918.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,900.90 : 8,851.35 = 2,612.30 : x
  2. Step 2: Convert to fraction form
    5,900.90/8,851.35 = 2,612.30/x
  3. Step 3: Cross multiply
    5,900.90x = 8,851.35 × 2,612.30
  4. Step 4: Simplify right side
    5,900.90x = 23,122,381.61
  5. Step 5: Solve for x
    x = 23,122,381.61/5,900.90
  6. Step 6: Final answer
    x = 3,918.45

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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.