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Finding the Fourth Proportional to 8,393.40, 12,590.04 and 2,550

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Solution

The fourth proportional to 8,393.40, 12,590.04 and 2,550 is: 3,824.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,393.40 : 12,590.04 = 2,550 : x
  2. Step 2: Convert to fraction form
    8,393.40/12,590.04 = 2,550/x
  3. Step 3: Cross multiply
    8,393.40x = 12,590.04 × 2,550
  4. Step 4: Simplify right side
    8,393.40x = 32,104,602.00
  5. Step 5: Solve for x
    x = 32,104,602.00/8,393.40
  6. Step 6: Final answer
    x = 3,824.98

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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.