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Finding the Fourth Proportional to 15,650.70, 23,482.03 and 9,415.12

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Solution

The fourth proportional to 15,650.70, 23,482.03 and 9,415.12 is: 14,126.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,650.70 : 23,482.03 = 9,415.12 : x
  2. Step 2: Convert to fraction form
    15,650.70/23,482.03 = 9,415.12/x
  3. Step 3: Cross multiply
    15,650.70x = 23,482.03 × 9,415.12
  4. Step 4: Simplify right side
    15,650.70x = 221,086,083.25
  5. Step 5: Solve for x
    x = 221,086,083.25/15,650.70
  6. Step 6: Final answer
    x = 14,126.27

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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.