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Finding the Fourth Proportional to 2,468.42, 3,701.40 and 824.40

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Solution

The fourth proportional to 2,468.42, 3,701.40 and 824.40 is: 1,236.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,468.42 : 3,701.40 = 824.40 : x
  2. Step 2: Convert to fraction form
    2,468.42/3,701.40 = 824.40/x
  3. Step 3: Cross multiply
    2,468.42x = 3,701.40 × 824.40
  4. Step 4: Simplify right side
    2,468.42x = 3,051,434.16
  5. Step 5: Solve for x
    x = 3,051,434.16/2,468.42
  6. Step 6: Final answer
    x = 1,236.19

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1.5x scale

Why These Related Problems?

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