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Finding the Fourth Proportional to 1,653.00, 2,281.19 and 944.96

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Solution

The fourth proportional to 1,653.00, 2,281.19 and 944.96 is: 1,304.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,653.00 : 2,281.19 = 944.96 : x
  2. Step 2: Convert to fraction form
    1,653.00/2,281.19 = 944.96/x
  3. Step 3: Cross multiply
    1,653.00x = 2,281.19 × 944.96
  4. Step 4: Simplify right side
    1,653.00x = 2,155,645.06
  5. Step 5: Solve for x
    x = 2,155,645.06/1,653.00
  6. Step 6: Final answer
    x = 1,304.08

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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.