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Finding the Fourth Proportional to 4,630.68, 6,946.04 and 1,120.68

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Solution

The fourth proportional to 4,630.68, 6,946.04 and 1,120.68 is: 1,681.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,630.68 : 6,946.04 = 1,120.68 : x
  2. Step 2: Convert to fraction form
    4,630.68/6,946.04 = 1,120.68/x
  3. Step 3: Cross multiply
    4,630.68x = 6,946.04 × 1,120.68
  4. Step 4: Simplify right side
    4,630.68x = 7,784,282.50
  5. Step 5: Solve for x
    x = 7,784,282.50/4,630.68
  6. Step 6: Final answer
    x = 1,681.02

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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.