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Finding the Fourth Proportional to 37,326.80, 55,980.48 and 12,369.08

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Solution

The fourth proportional to 37,326.80, 55,980.48 and 12,369.08 is: 18,550.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,326.80 : 55,980.48 = 12,369.08 : x
  2. Step 2: Convert to fraction form
    37,326.80/55,980.48 = 12,369.08/x
  3. Step 3: Cross multiply
    37,326.80x = 55,980.48 × 12,369.08
  4. Step 4: Simplify right side
    37,326.80x = 692,427,035.56
  5. Step 5: Solve for x
    x = 692,427,035.56/37,326.80
  6. Step 6: Final answer
    x = 18,550.40

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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.