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Finding the Fourth Proportional to 12,298.53, 16,973.28 and 7,521.27

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Solution

The fourth proportional to 12,298.53, 16,973.28 and 7,521.27 is: 10,380.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,298.53 : 16,973.28 = 7,521.27 : x
  2. Step 2: Convert to fraction form
    12,298.53/16,973.28 = 7,521.27/x
  3. Step 3: Cross multiply
    12,298.53x = 16,973.28 × 7,521.27
  4. Step 4: Simplify right side
    12,298.53x = 127,660,605.75
  5. Step 5: Solve for x
    x = 127,660,605.75/12,298.53
  6. Step 6: Final answer
    x = 10,380.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.