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Finding the Fourth Proportional to 15,226.61, 22,807.50 and 8,649.41

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Solution

The fourth proportional to 15,226.61, 22,807.50 and 8,649.41 is: 12,955.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,226.61 : 22,807.50 = 8,649.41 : x
  2. Step 2: Convert to fraction form
    15,226.61/22,807.50 = 8,649.41/x
  3. Step 3: Cross multiply
    15,226.61x = 22,807.50 × 8,649.41
  4. Step 4: Simplify right side
    15,226.61x = 197,271,304.54
  5. Step 5: Solve for x
    x = 197,271,304.54/15,226.61
  6. Step 6: Final answer
    x = 12,955.70

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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.