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Finding the Fourth Proportional to 2,358.30, 3,534.39 and 970.06

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Solution

The fourth proportional to 2,358.30, 3,534.39 and 970.06 is: 1,453.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,358.30 : 3,534.39 = 970.06 : x
  2. Step 2: Convert to fraction form
    2,358.30/3,534.39 = 970.06/x
  3. Step 3: Cross multiply
    2,358.30x = 3,534.39 × 970.06
  4. Step 4: Simplify right side
    2,358.30x = 3,428,570.36
  5. Step 5: Solve for x
    x = 3,428,570.36/2,358.30
  6. Step 6: Final answer
    x = 1,453.83

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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.