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Finding the Fourth Proportional to 3,547.31, 4,895.27 and 1,953.91

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Solution

The fourth proportional to 3,547.31, 4,895.27 and 1,953.91 is: 2,696.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547.31 : 4,895.27 = 1,953.91 : x
  2. Step 2: Convert to fraction form
    3,547.31/4,895.27 = 1,953.91/x
  3. Step 3: Cross multiply
    3,547.31x = 4,895.27 × 1,953.91
  4. Step 4: Simplify right side
    3,547.31x = 9,564,893.15
  5. Step 5: Solve for x
    x = 9,564,893.15/3,547.31
  6. Step 6: Final answer
    x = 2,696.38

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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.