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Finding the Fourth Proportional to 15,222.20, 22,832.98 and 7,014.20

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Solution

The fourth proportional to 15,222.20, 22,832.98 and 7,014.20 is: 10,521.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,222.20 : 22,832.98 = 7,014.20 : x
  2. Step 2: Convert to fraction form
    15,222.20/22,832.98 = 7,014.20/x
  3. Step 3: Cross multiply
    15,222.20x = 22,832.98 × 7,014.20
  4. Step 4: Simplify right side
    15,222.20x = 160,155,088.32
  5. Step 5: Solve for x
    x = 160,155,088.32/15,222.20
  6. Step 6: Final answer
    x = 10,521.15

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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.