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Finding the Fourth Proportional to 6,667.80, 10,001.70 and 4,043.40

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Solution

The fourth proportional to 6,667.80, 10,001.70 and 4,043.40 is: 6,065.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,667.80 : 10,001.70 = 4,043.40 : x
  2. Step 2: Convert to fraction form
    6,667.80/10,001.70 = 4,043.40/x
  3. Step 3: Cross multiply
    6,667.80x = 10,001.70 × 4,043.40
  4. Step 4: Simplify right side
    6,667.80x = 40,440,873.78
  5. Step 5: Solve for x
    x = 40,440,873.78/6,667.80
  6. Step 6: Final answer
    x = 6,065.10

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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.