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Finding the Fourth Proportional to 4,066.79, 5,612.79 and 2,952.78

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Solution

The fourth proportional to 4,066.79, 5,612.79 and 2,952.78 is: 4,075.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,066.79 : 5,612.79 = 2,952.78 : x
  2. Step 2: Convert to fraction form
    4,066.79/5,612.79 = 2,952.78/x
  3. Step 3: Cross multiply
    4,066.79x = 5,612.79 × 2,952.78
  4. Step 4: Simplify right side
    4,066.79x = 16,573,334.06
  5. Step 5: Solve for x
    x = 16,573,334.06/4,066.79
  6. Step 6: Final answer
    x = 4,075.29

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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.