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Finding the Fourth Proportional to 5,444.40, 7,513.02 and 2,960.40

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Solution

The fourth proportional to 5,444.40, 7,513.02 and 2,960.40 is: 4,085.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,444.40 : 7,513.02 = 2,960.40 : x
  2. Step 2: Convert to fraction form
    5,444.40/7,513.02 = 2,960.40/x
  3. Step 3: Cross multiply
    5,444.40x = 7,513.02 × 2,960.40
  4. Step 4: Simplify right side
    5,444.40x = 22,241,544.41
  5. Step 5: Solve for x
    x = 22,241,544.41/5,444.40
  6. Step 6: Final answer
    x = 4,085.21

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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.