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Finding the Fourth Proportional to 6,630.71, 9,945.95 and 1,700.30

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Solution

The fourth proportional to 6,630.71, 9,945.95 and 1,700.30 is: 2,550.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,630.71 : 9,945.95 = 1,700.30 : x
  2. Step 2: Convert to fraction form
    6,630.71/9,945.95 = 1,700.30/x
  3. Step 3: Cross multiply
    6,630.71x = 9,945.95 × 1,700.30
  4. Step 4: Simplify right side
    6,630.71x = 16,911,040.55
  5. Step 5: Solve for x
    x = 16,911,040.55/6,630.71
  6. Step 6: Final answer
    x = 2,550.41

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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.