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Finding the Fourth Proportional to 12,368.52, 18,555.10 and 4,048.99

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Solution

The fourth proportional to 12,368.52, 18,555.10 and 4,048.99 is: 6,074.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,368.52 : 18,555.10 = 4,048.99 : x
  2. Step 2: Convert to fraction form
    12,368.52/18,555.10 = 4,048.99/x
  3. Step 3: Cross multiply
    12,368.52x = 18,555.10 × 4,048.99
  4. Step 4: Simplify right side
    12,368.52x = 75,129,369.23
  5. Step 5: Solve for x
    x = 75,129,369.23/12,368.52
  6. Step 6: Final answer
    x = 6,074.24

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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.