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Finding the Fourth Proportional to 8,333.62, 12,502.59 and 2,490.22

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Solution

The fourth proportional to 8,333.62, 12,502.59 and 2,490.22 is: 3,735.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,333.62 : 12,502.59 = 2,490.22 : x
  2. Step 2: Convert to fraction form
    8,333.62/12,502.59 = 2,490.22/x
  3. Step 3: Cross multiply
    8,333.62x = 12,502.59 × 2,490.22
  4. Step 4: Simplify right side
    8,333.62x = 31,134,199.67
  5. Step 5: Solve for x
    x = 31,134,199.67/8,333.62
  6. Step 6: Final answer
    x = 3,735.98

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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.