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Finding the Fourth Proportional to 2,403, 3,317.76 and 1,473.12

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Solution

The fourth proportional to 2,403, 3,317.76 and 1,473.12 is: 2,033.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403 : 3,317.76 = 1,473.12 : x
  2. Step 2: Convert to fraction form
    2,403/3,317.76 = 1,473.12/x
  3. Step 3: Cross multiply
    2,403x = 3,317.76 × 1,473.12
  4. Step 4: Simplify right side
    2,403x = 4,887,458.61
  5. Step 5: Solve for x
    x = 4,887,458.61/2,403
  6. Step 6: Final answer
    x = 2,033.90

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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.