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Finding the Fourth Proportional to 12,527.04, 18,795.48 and 5,135.04

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Solution

The fourth proportional to 12,527.04, 18,795.48 and 5,135.04 is: 7,704.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,527.04 : 18,795.48 = 5,135.04 : x
  2. Step 2: Convert to fraction form
    12,527.04/18,795.48 = 5,135.04/x
  3. Step 3: Cross multiply
    12,527.04x = 18,795.48 × 5,135.04
  4. Step 4: Simplify right side
    12,527.04x = 96,515,541.62
  5. Step 5: Solve for x
    x = 96,515,541.62/12,527.04
  6. Step 6: Final answer
    x = 7,704.58

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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.