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Finding the Fourth Proportional to 3,154.63, 4,730.14 and 962.71

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Solution

The fourth proportional to 3,154.63, 4,730.14 and 962.71 is: 1,443.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.63 : 4,730.14 = 962.71 : x
  2. Step 2: Convert to fraction form
    3,154.63/4,730.14 = 962.71/x
  3. Step 3: Cross multiply
    3,154.63x = 4,730.14 × 962.71
  4. Step 4: Simplify right side
    3,154.63x = 4,553,753.08
  5. Step 5: Solve for x
    x = 4,553,753.08/3,154.63
  6. Step 6: Final answer
    x = 1,443.51

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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.