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Finding the Fourth Proportional to 1,666.00, 2,299.02 and 1,036.39

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Solution

The fourth proportional to 1,666.00, 2,299.02 and 1,036.39 is: 1,430.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666.00 : 2,299.02 = 1,036.39 : x
  2. Step 2: Convert to fraction form
    1,666.00/2,299.02 = 1,036.39/x
  3. Step 3: Cross multiply
    1,666.00x = 2,299.02 × 1,036.39
  4. Step 4: Simplify right side
    1,666.00x = 2,382,675.59
  5. Step 5: Solve for x
    x = 2,382,675.59/1,666.00
  6. Step 6: Final answer
    x = 1,430.18

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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.