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Finding the Fourth Proportional to 15,750.92, 23,632.12 and 7,321.32

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Solution

The fourth proportional to 15,750.92, 23,632.12 and 7,321.32 is: 10,984.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,750.92 : 23,632.12 = 7,321.32 : x
  2. Step 2: Convert to fraction form
    15,750.92/23,632.12 = 7,321.32/x
  3. Step 3: Cross multiply
    15,750.92x = 23,632.12 × 7,321.32
  4. Step 4: Simplify right side
    15,750.92x = 173,018,312.80
  5. Step 5: Solve for x
    x = 173,018,312.80/15,750.92
  6. Step 6: Final answer
    x = 10,984.65

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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.