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Finding the Fourth Proportional to 6,701.80, 10,052.70 and 4,239.40

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Solution

The fourth proportional to 6,701.80, 10,052.70 and 4,239.40 is: 6,359.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,701.80 : 10,052.70 = 4,239.40 : x
  2. Step 2: Convert to fraction form
    6,701.80/10,052.70 = 4,239.40/x
  3. Step 3: Cross multiply
    6,701.80x = 10,052.70 × 4,239.40
  4. Step 4: Simplify right side
    6,701.80x = 42,617,416.38
  5. Step 5: Solve for x
    x = 42,617,416.38/6,701.80
  6. Step 6: Final answer
    x = 6,359.10

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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.