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Finding the Fourth Proportional to 8,920.83, 13,380.18 and 2,347.53

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Solution

The fourth proportional to 8,920.83, 13,380.18 and 2,347.53 is: 3,521.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,920.83 : 13,380.18 = 2,347.53 : x
  2. Step 2: Convert to fraction form
    8,920.83/13,380.18 = 2,347.53/x
  3. Step 3: Cross multiply
    8,920.83x = 13,380.18 × 2,347.53
  4. Step 4: Simplify right side
    8,920.83x = 31,410,373.96
  5. Step 5: Solve for x
    x = 31,410,373.96/8,920.83
  6. Step 6: Final answer
    x = 3,521.01

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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.