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Finding the Fourth Proportional to 1,566.99, 2,162.16 and 903.60

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Solution

The fourth proportional to 1,566.99, 2,162.16 and 903.60 is: 1,246.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566.99 : 2,162.16 = 903.60 : x
  2. Step 2: Convert to fraction form
    1,566.99/2,162.16 = 903.60/x
  3. Step 3: Cross multiply
    1,566.99x = 2,162.16 × 903.60
  4. Step 4: Simplify right side
    1,566.99x = 1,953,727.78
  5. Step 5: Solve for x
    x = 1,953,727.78/1,566.99
  6. Step 6: Final answer
    x = 1,246.80

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