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Finding the Fourth Proportional to 2,365.08, 3,547.62 and 825.72

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Solution

The fourth proportional to 2,365.08, 3,547.62 and 825.72 is: 1,238.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,365.08 : 3,547.62 = 825.72 : x
  2. Step 2: Convert to fraction form
    2,365.08/3,547.62 = 825.72/x
  3. Step 3: Cross multiply
    2,365.08x = 3,547.62 × 825.72
  4. Step 4: Simplify right side
    2,365.08x = 2,929,340.79
  5. Step 5: Solve for x
    x = 2,929,340.79/2,365.08
  6. Step 6: Final answer
    x = 1,238.58

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1.5x scale

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.