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Finding the Fourth Proportional to 6,588.79, 9,883.12 and 2,690.46

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Solution

The fourth proportional to 6,588.79, 9,883.12 and 2,690.46 is: 4,035.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,588.79 : 9,883.12 = 2,690.46 : x
  2. Step 2: Convert to fraction form
    6,588.79/9,883.12 = 2,690.46/x
  3. Step 3: Cross multiply
    6,588.79x = 9,883.12 × 2,690.46
  4. Step 4: Simplify right side
    6,588.79x = 26,590,089.62
  5. Step 5: Solve for x
    x = 26,590,089.62/6,588.79
  6. Step 6: Final answer
    x = 4,035.66

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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.