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Finding the Fourth Proportional to 2,493.81, 3,440.14 and 1,903.32

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Solution

The fourth proportional to 2,493.81, 3,440.14 and 1,903.32 is: 2,625.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,493.81 : 3,440.14 = 1,903.32 : x
  2. Step 2: Convert to fraction form
    2,493.81/3,440.14 = 1,903.32/x
  3. Step 3: Cross multiply
    2,493.81x = 3,440.14 × 1,903.32
  4. Step 4: Simplify right side
    2,493.81x = 6,547,687.26
  5. Step 5: Solve for x
    x = 6,547,687.26/2,493.81
  6. Step 6: Final answer
    x = 2,625.58

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1.5x scale

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.