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Finding the Fourth Proportional to 9,960.40, 14,951.40 and 6,266.80

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Solution

The fourth proportional to 9,960.40, 14,951.40 and 6,266.80 is: 9,407.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,960.40 : 14,951.40 = 6,266.80 : x
  2. Step 2: Convert to fraction form
    9,960.40/14,951.40 = 6,266.80/x
  3. Step 3: Cross multiply
    9,960.40x = 14,951.40 × 6,266.80
  4. Step 4: Simplify right side
    9,960.40x = 93,697,433.52
  5. Step 5: Solve for x
    x = 93,697,433.52/9,960.40
  6. Step 6: Final answer
    x = 9,407.00

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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.