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Finding the Fourth Proportional to 2,666.71, 3,675.54 and 1,825.93

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Solution

The fourth proportional to 2,666.71, 3,675.54 and 1,825.93 is: 2,516.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666.71 : 3,675.54 = 1,825.93 : x
  2. Step 2: Convert to fraction form
    2,666.71/3,675.54 = 1,825.93/x
  3. Step 3: Cross multiply
    2,666.71x = 3,675.54 × 1,825.93
  4. Step 4: Simplify right side
    2,666.71x = 6,711,278.75
  5. Step 5: Solve for x
    x = 6,711,278.75/2,666.71
  6. Step 6: Final answer
    x = 2,516.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.