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Finding the Fourth Proportional to 15,065.40, 22,608.90 and 8,484.60

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Solution

The fourth proportional to 15,065.40, 22,608.90 and 8,484.60 is: 12,732.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,065.40 : 22,608.90 = 8,484.60 : x
  2. Step 2: Convert to fraction form
    15,065.40/22,608.90 = 8,484.60/x
  3. Step 3: Cross multiply
    15,065.40x = 22,608.90 × 8,484.60
  4. Step 4: Simplify right side
    15,065.40x = 191,827,472.94
  5. Step 5: Solve for x
    x = 191,827,472.94/15,065.40
  6. Step 6: Final answer
    x = 12,732.98

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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.