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Finding the Fourth Proportional to 50,672.08, 69,927.42 and 28,011.08

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Solution

The fourth proportional to 50,672.08, 69,927.42 and 28,011.08 is: 38,655.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,672.08 : 69,927.42 = 28,011.08 : x
  2. Step 2: Convert to fraction form
    50,672.08/69,927.42 = 28,011.08/x
  3. Step 3: Cross multiply
    50,672.08x = 69,927.42 × 28,011.08
  4. Step 4: Simplify right side
    50,672.08x = 1,958,742,555.81
  5. Step 5: Solve for x
    x = 1,958,742,555.81/50,672.08
  6. Step 6: Final answer
    x = 38,655.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.