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Finding the Fourth Proportional to 15,203.56, 22,805.98 and 4,815.08

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Solution

The fourth proportional to 15,203.56, 22,805.98 and 4,815.08 is: 7,222.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,203.56 : 22,805.98 = 4,815.08 : x
  2. Step 2: Convert to fraction form
    15,203.56/22,805.98 = 4,815.08/x
  3. Step 3: Cross multiply
    15,203.56x = 22,805.98 × 4,815.08
  4. Step 4: Simplify right side
    15,203.56x = 109,812,618.18
  5. Step 5: Solve for x
    x = 109,812,618.18/15,203.56
  6. Step 6: Final answer
    x = 7,222.82

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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.