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Finding the Fourth Proportional to 2,364.36, 3,547.35 and 903.93

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Solution

The fourth proportional to 2,364.36, 3,547.35 and 903.93 is: 1,356.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,364.36 : 3,547.35 = 903.93 : x
  2. Step 2: Convert to fraction form
    2,364.36/3,547.35 = 903.93/x
  3. Step 3: Cross multiply
    2,364.36x = 3,547.35 × 903.93
  4. Step 4: Simplify right side
    2,364.36x = 3,206,556.09
  5. Step 5: Solve for x
    x = 3,206,556.09/2,364.36
  6. Step 6: Final answer
    x = 1,356.20

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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.