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Finding the Fourth Proportional to 3,526.77, 4,866.95 and 1,954.87

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Solution

The fourth proportional to 3,526.77, 4,866.95 and 1,954.87 is: 2,697.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,526.77 : 4,866.95 = 1,954.87 : x
  2. Step 2: Convert to fraction form
    3,526.77/4,866.95 = 1,954.87/x
  3. Step 3: Cross multiply
    3,526.77x = 4,866.95 × 1,954.87
  4. Step 4: Simplify right side
    3,526.77x = 9,514,254.55
  5. Step 5: Solve for x
    x = 9,514,254.55/3,526.77
  6. Step 6: Final answer
    x = 2,697.72

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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.