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Finding the Fourth Proportional to 50,564.88, 69,779.47 and 27,903.86

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Solution

The fourth proportional to 50,564.88, 69,779.47 and 27,903.86 is: 38,507.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,564.88 : 69,779.47 = 27,903.86 : x
  2. Step 2: Convert to fraction form
    50,564.88/69,779.47 = 27,903.86/x
  3. Step 3: Cross multiply
    50,564.88x = 69,779.47 × 27,903.86
  4. Step 4: Simplify right side
    50,564.88x = 1,947,116,561.75
  5. Step 5: Solve for x
    x = 1,947,116,561.75/50,564.88
  6. Step 6: Final answer
    x = 38,507.29

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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.