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Finding the Fourth Proportional to 2,953.77, 4,423.80 and 1,854.81

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Solution

The fourth proportional to 2,953.77, 4,423.80 and 1,854.81 is: 2,777.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,953.77 : 4,423.80 = 1,854.81 : x
  2. Step 2: Convert to fraction form
    2,953.77/4,423.80 = 1,854.81/x
  3. Step 3: Cross multiply
    2,953.77x = 4,423.80 × 1,854.81
  4. Step 4: Simplify right side
    2,953.77x = 8,205,308.48
  5. Step 5: Solve for x
    x = 8,205,308.48/2,953.77
  6. Step 6: Final answer
    x = 2,777.91

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.