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Finding the Fourth Proportional to 7,050.70, 9,720.76 and 6,066.56

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Solution

The fourth proportional to 7,050.70, 9,720.76 and 6,066.56 is: 8,363.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,050.70 : 9,720.76 = 6,066.56 : x
  2. Step 2: Convert to fraction form
    7,050.70/9,720.76 = 6,066.56/x
  3. Step 3: Cross multiply
    7,050.70x = 9,720.76 × 6,066.56
  4. Step 4: Simplify right side
    7,050.70x = 58,971,573.79
  5. Step 5: Solve for x
    x = 58,971,573.79/7,050.70
  6. Step 6: Final answer
    x = 8,363.93

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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.