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Finding the Fourth Proportional to 5,570.64, 7,686.12 and 3,333.24

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Solution

The fourth proportional to 5,570.64, 7,686.12 and 3,333.24 is: 4,599.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,570.64 : 7,686.12 = 3,333.24 : x
  2. Step 2: Convert to fraction form
    5,570.64/7,686.12 = 3,333.24/x
  3. Step 3: Cross multiply
    5,570.64x = 7,686.12 × 3,333.24
  4. Step 4: Simplify right side
    5,570.64x = 25,619,682.63
  5. Step 5: Solve for x
    x = 25,619,682.63/5,570.64
  6. Step 6: Final answer
    x = 4,599.06

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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.