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Finding the Fourth Proportional to 9,799.70, 14,701.98 and 2,874.20

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Solution

The fourth proportional to 9,799.70, 14,701.98 and 2,874.20 is: 4,312.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,799.70 : 14,701.98 = 2,874.20 : x
  2. Step 2: Convert to fraction form
    9,799.70/14,701.98 = 2,874.20/x
  3. Step 3: Cross multiply
    9,799.70x = 14,701.98 × 2,874.20
  4. Step 4: Simplify right side
    9,799.70x = 42,256,357.41
  5. Step 5: Solve for x
    x = 42,256,357.41/9,799.70
  6. Step 6: Final answer
    x = 4,312.01

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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.