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Finding the Fourth Proportional to 7,083.13, 10,625.25 and 1,888.87

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Solution

The fourth proportional to 7,083.13, 10,625.25 and 1,888.87 is: 2,833.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,083.13 : 10,625.25 = 1,888.87 : x
  2. Step 2: Convert to fraction form
    7,083.13/10,625.25 = 1,888.87/x
  3. Step 3: Cross multiply
    7,083.13x = 10,625.25 × 1,888.87
  4. Step 4: Simplify right side
    7,083.13x = 20,069,715.97
  5. Step 5: Solve for x
    x = 20,069,715.97/7,083.13
  6. Step 6: Final answer
    x = 2,833.45

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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.