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Finding the Fourth Proportional to 8,364.48, 12,548.78 and 5,904.11

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Solution

The fourth proportional to 8,364.48, 12,548.78 and 5,904.11 is: 8,857.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,364.48 : 12,548.78 = 5,904.11 : x
  2. Step 2: Convert to fraction form
    8,364.48/12,548.78 = 5,904.11/x
  3. Step 3: Cross multiply
    8,364.48x = 12,548.78 × 5,904.11
  4. Step 4: Simplify right side
    8,364.48x = 74,089,285.22
  5. Step 5: Solve for x
    x = 74,089,285.22/8,364.48
  6. Step 6: Final answer
    x = 8,857.61

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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.