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Finding the Fourth Proportional to 9,818.70, 14,732.10 and 9,043.20

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Solution

The fourth proportional to 9,818.70, 14,732.10 and 9,043.20 is: 13,568.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,818.70 : 14,732.10 = 9,043.20 : x
  2. Step 2: Convert to fraction form
    9,818.70/14,732.10 = 9,043.20/x
  3. Step 3: Cross multiply
    9,818.70x = 14,732.10 × 9,043.20
  4. Step 4: Simplify right side
    9,818.70x = 133,225,326.72
  5. Step 5: Solve for x
    x = 133,225,326.72/9,818.70
  6. Step 6: Final answer
    x = 13,568.53

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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.