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Finding the Fourth Proportional to 2,059.05, 3,088.58 and 964.64

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Solution

The fourth proportional to 2,059.05, 3,088.58 and 964.64 is: 1,446.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,059.05 : 3,088.58 = 964.64 : x
  2. Step 2: Convert to fraction form
    2,059.05/3,088.58 = 964.64/x
  3. Step 3: Cross multiply
    2,059.05x = 3,088.58 × 964.64
  4. Step 4: Simplify right side
    2,059.05x = 2,979,347.55
  5. Step 5: Solve for x
    x = 2,979,347.55/2,059.05
  6. Step 6: Final answer
    x = 1,446.95

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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.