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Finding the Fourth Proportional to 6,703.40, 10,062.30 and 3,787.40

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Solution

The fourth proportional to 6,703.40, 10,062.30 and 3,787.40 is: 5,685.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,703.40 : 10,062.30 = 3,787.40 : x
  2. Step 2: Convert to fraction form
    6,703.40/10,062.30 = 3,787.40/x
  3. Step 3: Cross multiply
    6,703.40x = 10,062.30 × 3,787.40
  4. Step 4: Simplify right side
    6,703.40x = 38,109,955.02
  5. Step 5: Solve for x
    x = 38,109,955.02/6,703.40
  6. Step 6: Final answer
    x = 5,685.17

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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.