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Finding the Fourth Proportional to 15,104.70, 22,657.05 and 8,106.30

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Solution

The fourth proportional to 15,104.70, 22,657.05 and 8,106.30 is: 12,159.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,104.70 : 22,657.05 = 8,106.30 : x
  2. Step 2: Convert to fraction form
    15,104.70/22,657.05 = 8,106.30/x
  3. Step 3: Cross multiply
    15,104.70x = 22,657.05 × 8,106.30
  4. Step 4: Simplify right side
    15,104.70x = 183,664,844.42
  5. Step 5: Solve for x
    x = 183,664,844.42/15,104.70
  6. Step 6: Final answer
    x = 12,159.45

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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.