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Finding the Fourth Proportional to 15,750.71, 23,622.82 and 6,980.03

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Solution

The fourth proportional to 15,750.71, 23,622.82 and 6,980.03 is: 10,468.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,750.71 : 23,622.82 = 6,980.03 : x
  2. Step 2: Convert to fraction form
    15,750.71/23,622.82 = 6,980.03/x
  3. Step 3: Cross multiply
    15,750.71x = 23,622.82 × 6,980.03
  4. Step 4: Simplify right side
    15,750.71x = 164,887,992.28
  5. Step 5: Solve for x
    x = 164,887,992.28/15,750.71
  6. Step 6: Final answer
    x = 10,468.61

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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.