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Finding the Fourth Proportional to 5,066.07, 6,991.70 and 2,970.87

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Solution

The fourth proportional to 5,066.07, 6,991.70 and 2,970.87 is: 4,100.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,066.07 : 6,991.70 = 2,970.87 : x
  2. Step 2: Convert to fraction form
    5,066.07/6,991.70 = 2,970.87/x
  3. Step 3: Cross multiply
    5,066.07x = 6,991.70 × 2,970.87
  4. Step 4: Simplify right side
    5,066.07x = 20,771,416.92
  5. Step 5: Solve for x
    x = 20,771,416.92/5,066.07
  6. Step 6: Final answer
    x = 4,100.10

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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.