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Finding the Fourth Proportional to 2,357.64, 3,535.38 and 713.88

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Solution

The fourth proportional to 2,357.64, 3,535.38 and 713.88 is: 1,070.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,357.64 : 3,535.38 = 713.88 : x
  2. Step 2: Convert to fraction form
    2,357.64/3,535.38 = 713.88/x
  3. Step 3: Cross multiply
    2,357.64x = 3,535.38 × 713.88
  4. Step 4: Simplify right side
    2,357.64x = 2,523,837.07
  5. Step 5: Solve for x
    x = 2,523,837.07/2,357.64
  6. Step 6: Final answer
    x = 1,070.49

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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.