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Finding the Fourth Proportional to 3,541.70, 4,876.30 and 2,699.70

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Solution

The fourth proportional to 3,541.70, 4,876.30 and 2,699.70 is: 3,717.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,541.70 : 4,876.30 = 2,699.70 : x
  2. Step 2: Convert to fraction form
    3,541.70/4,876.30 = 2,699.70/x
  3. Step 3: Cross multiply
    3,541.70x = 4,876.30 × 2,699.70
  4. Step 4: Simplify right side
    3,541.70x = 13,164,547.11
  5. Step 5: Solve for x
    x = 13,164,547.11/3,541.70
  6. Step 6: Final answer
    x = 3,717.01

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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.