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Finding the Fourth Proportional to 2,335.79, 3,221.57 and 1,496.57

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Solution

The fourth proportional to 2,335.79, 3,221.57 and 1,496.57 is: 2,064.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,335.79 : 3,221.57 = 1,496.57 : x
  2. Step 2: Convert to fraction form
    2,335.79/3,221.57 = 1,496.57/x
  3. Step 3: Cross multiply
    2,335.79x = 3,221.57 × 1,496.57
  4. Step 4: Simplify right side
    2,335.79x = 4,821,316.16
  5. Step 5: Solve for x
    x = 4,821,316.16/2,335.79
  6. Step 6: Final answer
    x = 2,064.10

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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.