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Finding the Fourth Proportional to 2,365.13, 3,547.24 and 903.94

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Solution

The fourth proportional to 2,365.13, 3,547.24 and 903.94 is: 1,355.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,365.13 : 3,547.24 = 903.94 : x
  2. Step 2: Convert to fraction form
    2,365.13/3,547.24 = 903.94/x
  3. Step 3: Cross multiply
    2,365.13x = 3,547.24 × 903.94
  4. Step 4: Simplify right side
    2,365.13x = 3,206,506.04
  5. Step 5: Solve for x
    x = 3,206,506.04/2,365.13
  6. Step 6: Final answer
    x = 1,355.74

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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.