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Finding the Fourth Proportional to 2,898.53, 4,326.80 and 2,548.22

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Solution

The fourth proportional to 2,898.53, 4,326.80 and 2,548.22 is: 3,803.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,898.53 : 4,326.80 = 2,548.22 : x
  2. Step 2: Convert to fraction form
    2,898.53/4,326.80 = 2,548.22/x
  3. Step 3: Cross multiply
    2,898.53x = 4,326.80 × 2,548.22
  4. Step 4: Simplify right side
    2,898.53x = 11,025,638.30
  5. Step 5: Solve for x
    x = 11,025,638.30/2,898.53
  6. Step 6: Final answer
    x = 3,803.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.