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Finding the Fourth Proportional to 9,673.40, 14,510.10 and 9,219.80

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Solution

The fourth proportional to 9,673.40, 14,510.10 and 9,219.80 is: 13,829.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,673.40 : 14,510.10 = 9,219.80 : x
  2. Step 2: Convert to fraction form
    9,673.40/14,510.10 = 9,219.80/x
  3. Step 3: Cross multiply
    9,673.40x = 14,510.10 × 9,219.80
  4. Step 4: Simplify right side
    9,673.40x = 133,780,219.98
  5. Step 5: Solve for x
    x = 133,780,219.98/9,673.40
  6. Step 6: Final answer
    x = 13,829.70

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Double scale
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Similar ratio
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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.