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Finding the Fourth Proportional to 69,017.70, 95,242.22 and 38,804.30

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Solution

The fourth proportional to 69,017.70, 95,242.22 and 38,804.30 is: 53,548.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,017.70 : 95,242.22 = 38,804.30 : x
  2. Step 2: Convert to fraction form
    69,017.70/95,242.22 = 38,804.30/x
  3. Step 3: Cross multiply
    69,017.70x = 95,242.22 × 38,804.30
  4. Step 4: Simplify right side
    69,017.70x = 3,695,807,677.55
  5. Step 5: Solve for x
    x = 3,695,807,677.55/69,017.70
  6. Step 6: Final answer
    x = 53,548.69

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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.