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Finding the Fourth Proportional to 7,088.59, 10,625.92 and 2,642.99

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Solution

The fourth proportional to 7,088.59, 10,625.92 and 2,642.99 is: 3,961.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,088.59 : 10,625.92 = 2,642.99 : x
  2. Step 2: Convert to fraction form
    7,088.59/10,625.92 = 2,642.99/x
  3. Step 3: Cross multiply
    7,088.59x = 10,625.92 × 2,642.99
  4. Step 4: Simplify right side
    7,088.59x = 28,084,220.26
  5. Step 5: Solve for x
    x = 28,084,220.26/7,088.59
  6. Step 6: Final answer
    x = 3,961.89

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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.